Home / 1,078,273,085.40-1,617,409,628.12-899,114,045.40

Finding the Fourth Proportional to 1,078,273,085.40, 1,617,409,628.12 and 899,114,045.40

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Solution

The fourth proportional to 1,078,273,085.40, 1,617,409,628.12 and 899,114,045.40 is: 1,348,671,068.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,273,085.40 : 1,617,409,628.12 = 899,114,045.40 : x
  2. Step 2: Convert to fraction form
    1,078,273,085.40/1,617,409,628.12 = 899,114,045.40/x
  3. Step 3: Cross multiply
    1,078,273,085.40x = 1,617,409,628.12 × 899,114,045.40
  4. Step 4: Simplify right side
    1,078,273,085.40x = 1,454,235,713,807,882,752
  5. Step 5: Solve for x
    x = 1,454,235,713,807,882,752/1,078,273,085.40
  6. Step 6: Final answer
    x = 1,348,671,068.12

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Double scale
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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.