Home / 782,854,302.40-1,080,343,208.24-460,996,311.76

Finding the Fourth Proportional to 782,854,302.40, 1,080,343,208.24 and 460,996,311.76

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Solution

The fourth proportional to 782,854,302.40, 1,080,343,208.24 and 460,996,311.76 is: 636,177,425.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,854,302.40 : 1,080,343,208.24 = 460,996,311.76 : x
  2. Step 2: Convert to fraction form
    782,854,302.40/1,080,343,208.24 = 460,996,311.76/x
  3. Step 3: Cross multiply
    782,854,302.40x = 1,080,343,208.24 × 460,996,311.76
  4. Step 4: Simplify right side
    782,854,302.40x = 498,034,234,433,605,632
  5. Step 5: Solve for x
    x = 498,034,234,433,605,632/782,854,302.40
  6. Step 6: Final answer
    x = 636,177,425.23

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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.