Home / 961,803,562.49-1,327,176,941.62-538,440,406.46

Finding the Fourth Proportional to 961,803,562.49, 1,327,176,941.62 and 538,440,406.46

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Solution

The fourth proportional to 961,803,562.49, 1,327,176,941.62 and 538,440,406.46 is: 742,985,074.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,803,562.49 : 1,327,176,941.62 = 538,440,406.46 : x
  2. Step 2: Convert to fraction form
    961,803,562.49/1,327,176,941.62 = 538,440,406.46/x
  3. Step 3: Cross multiply
    961,803,562.49x = 1,327,176,941.62 × 538,440,406.46
  4. Step 4: Simplify right side
    961,803,562.49x = 714,605,691,887,520,384
  5. Step 5: Solve for x
    x = 714,605,691,887,520,384/961,803,562.49
  6. Step 6: Final answer
    x = 742,985,074.87

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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.