Home / 651,654,985.20-977,387,999.40-191,545,177.20

Finding the Fourth Proportional to 651,654,985.20, 977,387,999.40 and 191,545,177.20

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Solution

The fourth proportional to 651,654,985.20, 977,387,999.40 and 191,545,177.20 is: 287,289,995.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,654,985.20 : 977,387,999.40 = 191,545,177.20 : x
  2. Step 2: Convert to fraction form
    651,654,985.20/977,387,999.40 = 191,545,177.20/x
  3. Step 3: Cross multiply
    651,654,985.20x = 977,387,999.40 × 191,545,177.20
  4. Step 4: Simplify right side
    651,654,985.20x = 187,213,957,538,226,464
  5. Step 5: Solve for x
    x = 187,213,957,538,226,464/651,654,985.20
  6. Step 6: Final answer
    x = 287,289,995.15

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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.