Home / 719,797,024.82-993,323,567.42-402,262,570.43

Finding the Fourth Proportional to 719,797,024.82, 993,323,567.42 and 402,262,570.43

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Solution

The fourth proportional to 719,797,024.82, 993,323,567.42 and 402,262,570.43 is: 555,124,399.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,797,024.82 : 993,323,567.42 = 402,262,570.43 : x
  2. Step 2: Convert to fraction form
    719,797,024.82/993,323,567.42 = 402,262,570.43/x
  3. Step 3: Cross multiply
    719,797,024.82x = 993,323,567.42 × 402,262,570.43
  4. Step 4: Simplify right side
    719,797,024.82x = 399,576,891,502,522,432
  5. Step 5: Solve for x
    x = 399,576,891,502,522,432/719,797,024.82
  6. Step 6: Final answer
    x = 555,124,399.97

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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.