Home / 1,078,272,932.40-1,617,409,398.60-899,113,892.40

Finding the Fourth Proportional to 1,078,272,932.40, 1,617,409,398.60 and 899,113,892.40

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Solution

The fourth proportional to 1,078,272,932.40, 1,617,409,398.60 and 899,113,892.40 is: 1,348,670,838.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,272,932.40 : 1,617,409,398.60 = 899,113,892.40 : x
  2. Step 2: Convert to fraction form
    1,078,272,932.40/1,617,409,398.60 = 899,113,892.40/x
  3. Step 3: Cross multiply
    1,078,272,932.40x = 1,617,409,398.60 × 899,113,892.40
  4. Step 4: Simplify right side
    1,078,272,932.40x = 1,454,235,259,979,588,864
  5. Step 5: Solve for x
    x = 1,454,235,259,979,588,864/1,078,272,932.40
  6. Step 6: Final answer
    x = 1,348,670,838.60

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Double scale
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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.