Home / 1,316,578,559.10-1,974,565,635.70-784,940,413.86

Finding the Fourth Proportional to 1,316,578,559.10, 1,974,565,635.70 and 784,940,413.86

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Solution

The fourth proportional to 1,316,578,559.10, 1,974,565,635.70 and 784,940,413.86 is: 1,177,230,448.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,578,559.10 : 1,974,565,635.70 = 784,940,413.86 : x
  2. Step 2: Convert to fraction form
    1,316,578,559.10/1,974,565,635.70 = 784,940,413.86/x
  3. Step 3: Cross multiply
    1,316,578,559.10x = 1,974,565,635.70 × 784,940,413.86
  4. Step 4: Simplify right side
    1,316,578,559.10x = 1,549,916,367,280,092,160
  5. Step 5: Solve for x
    x = 1,549,916,367,280,092,160/1,316,578,559.10
  6. Step 6: Final answer
    x = 1,177,230,448.25

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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.