Home / 1,078,273,135.40-1,617,409,703.10-899,114,095.40

Finding the Fourth Proportional to 1,078,273,135.40, 1,617,409,703.10 and 899,114,095.40

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Solution

The fourth proportional to 1,078,273,135.40, 1,617,409,703.10 and 899,114,095.40 is: 1,348,671,143.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,273,135.40 : 1,617,409,703.10 = 899,114,095.40 : x
  2. Step 2: Convert to fraction form
    1,078,273,135.40/1,617,409,703.10 = 899,114,095.40/x
  3. Step 3: Cross multiply
    1,078,273,135.40x = 1,617,409,703.10 × 899,114,095.40
  4. Step 4: Simplify right side
    1,078,273,135.40x = 1,454,235,862,093,938,944
  5. Step 5: Solve for x
    x = 1,454,235,862,093,938,944/1,078,273,135.40
  6. Step 6: Final answer
    x = 1,348,671,143.10

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Half scale
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Double scale
Find fourth proportional to 1,078,273,136.40, 1,617,409,704.60 and 899,114,096.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.