Home / 838,692,760.62-1,157,399,517.30-462,341,088.72

Finding the Fourth Proportional to 838,692,760.62, 1,157,399,517.30 and 462,341,088.72

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Solution

The fourth proportional to 838,692,760.62, 1,157,399,517.30 and 462,341,088.72 is: 638,032,636.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,692,760.62 : 1,157,399,517.30 = 462,341,088.72 : x
  2. Step 2: Convert to fraction form
    838,692,760.62/1,157,399,517.30 = 462,341,088.72/x
  3. Step 3: Cross multiply
    838,692,760.62x = 1,157,399,517.30 × 462,341,088.72
  4. Step 4: Simplify right side
    838,692,760.62x = 535,113,352,912,484,480
  5. Step 5: Solve for x
    x = 535,113,352,912,484,480/838,692,760.62
  6. Step 6: Final answer
    x = 638,032,636.07

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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.