Home / 527,688,484.64-728,210,966.82-292,739,150.80

Finding the Fourth Proportional to 527,688,484.64, 728,210,966.82 and 292,739,150.80

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Solution

The fourth proportional to 527,688,484.64, 728,210,966.82 and 292,739,150.80 is: 403,980,504.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,688,484.64 : 728,210,966.82 = 292,739,150.80 : x
  2. Step 2: Convert to fraction form
    527,688,484.64/728,210,966.82 = 292,739,150.80/x
  3. Step 3: Cross multiply
    527,688,484.64x = 728,210,966.82 × 292,739,150.80
  4. Step 4: Simplify right side
    527,688,484.64x = 213,175,860,030,133,792
  5. Step 5: Solve for x
    x = 213,175,860,030,133,792/527,688,484.64
  6. Step 6: Final answer
    x = 403,980,504.10

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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.