Home / 1,087,964,565.76-1,501,396,185.15-618,091,669.91

Finding the Fourth Proportional to 1,087,964,565.76, 1,501,396,185.15 and 618,091,669.91

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Solution

The fourth proportional to 1,087,964,565.76, 1,501,396,185.15 and 618,091,669.91 is: 852,969,393.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,964,565.76 : 1,501,396,185.15 = 618,091,669.91 : x
  2. Step 2: Convert to fraction form
    1,087,964,565.76/1,501,396,185.15 = 618,091,669.91/x
  3. Step 3: Cross multiply
    1,087,964,565.76x = 1,501,396,185.15 × 618,091,669.91
  4. Step 4: Simplify right side
    1,087,964,565.76x = 928,000,475,278,865,792
  5. Step 5: Solve for x
    x = 928,000,475,278,865,792/1,087,964,565.76
  6. Step 6: Final answer
    x = 852,969,393.01

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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.