Home / 386,438,468.76-579,592,618.02-110,070,253.08

Finding the Fourth Proportional to 386,438,468.76, 579,592,618.02 and 110,070,253.08

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Solution

The fourth proportional to 386,438,468.76, 579,592,618.02 and 110,070,253.08 is: 165,086,841.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,438,468.76 : 579,592,618.02 = 110,070,253.08 : x
  2. Step 2: Convert to fraction form
    386,438,468.76/579,592,618.02 = 110,070,253.08/x
  3. Step 3: Cross multiply
    386,438,468.76x = 579,592,618.02 × 110,070,253.08
  4. Step 4: Simplify right side
    386,438,468.76x = 63,795,906,148,761,168
  5. Step 5: Solve for x
    x = 63,795,906,148,761,168/386,438,468.76
  6. Step 6: Final answer
    x = 165,086,841.26

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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.