Home / 999,148,404.60-1,378,841,129.11-547,018,833.24

Finding the Fourth Proportional to 999,148,404.60, 1,378,841,129.11 and 547,018,833.24

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Solution

The fourth proportional to 999,148,404.60, 1,378,841,129.11 and 547,018,833.24 is: 754,894,930.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,148,404.60 : 1,378,841,129.11 = 547,018,833.24 : x
  2. Step 2: Convert to fraction form
    999,148,404.60/1,378,841,129.11 = 547,018,833.24/x
  3. Step 3: Cross multiply
    999,148,404.60x = 1,378,841,129.11 × 547,018,833.24
  4. Step 4: Simplify right side
    999,148,404.60x = 754,252,065,669,076,352
  5. Step 5: Solve for x
    x = 754,252,065,669,076,352/999,148,404.60
  6. Step 6: Final answer
    x = 754,894,930.72

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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.