Home / 812,966,510.58-1,121,893,782.96-460,542,500.82

Finding the Fourth Proportional to 812,966,510.58, 1,121,893,782.96 and 460,542,500.82

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Solution

The fourth proportional to 812,966,510.58, 1,121,893,782.96 and 460,542,500.82 is: 635,548,650.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,966,510.58 : 1,121,893,782.96 = 460,542,500.82 : x
  2. Step 2: Convert to fraction form
    812,966,510.58/1,121,893,782.96 = 460,542,500.82/x
  3. Step 3: Cross multiply
    812,966,510.58x = 1,121,893,782.96 × 460,542,500.82
  4. Step 4: Simplify right side
    812,966,510.58x = 516,679,768,458,808,704
  5. Step 5: Solve for x
    x = 516,679,768,458,808,704/812,966,510.58
  6. Step 6: Final answer
    x = 635,548,650.20

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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.