Home / 999,148,403.60-1,378,841,127.73-547,018,832.24

Finding the Fourth Proportional to 999,148,403.60, 1,378,841,127.73 and 547,018,832.24

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Solution

The fourth proportional to 999,148,403.60, 1,378,841,127.73 and 547,018,832.24 is: 754,894,929.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,148,403.60 : 1,378,841,127.73 = 547,018,832.24 : x
  2. Step 2: Convert to fraction form
    999,148,403.60/1,378,841,127.73 = 547,018,832.24/x
  3. Step 3: Cross multiply
    999,148,403.60x = 1,378,841,127.73 × 547,018,832.24
  4. Step 4: Simplify right side
    999,148,403.60x = 754,252,063,527,087,488
  5. Step 5: Solve for x
    x = 754,252,063,527,087,488/999,148,403.60
  6. Step 6: Final answer
    x = 754,894,929.34

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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.