Home / 1,783,299,565.15-2,460,885,979.51-990,396,620.17

Finding the Fourth Proportional to 1,783,299,565.15, 2,460,885,979.51 and 990,396,620.17

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Solution

The fourth proportional to 1,783,299,565.15, 2,460,885,979.51 and 990,396,620.17 is: 1,366,709,892.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783,299,565.15 : 2,460,885,979.51 = 990,396,620.17 : x
  2. Step 2: Convert to fraction form
    1,783,299,565.15/2,460,885,979.51 = 990,396,620.17/x
  3. Step 3: Cross multiply
    1,783,299,565.15x = 2,460,885,979.51 × 990,396,620.17
  4. Step 4: Simplify right side
    1,783,299,565.15x = 2,437,253,156,730,443,776
  5. Step 5: Solve for x
    x = 2,437,253,156,730,443,776/1,783,299,565.15
  6. Step 6: Final answer
    x = 1,366,709,892.36

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.