Home / 515,001,658.41-710,720,978.27-295,027,599.69

Finding the Fourth Proportional to 515,001,658.41, 710,720,978.27 and 295,027,599.69

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Solution

The fourth proportional to 515,001,658.41, 710,720,978.27 and 295,027,599.69 is: 407,148,794.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,001,658.41 : 710,720,978.27 = 295,027,599.69 : x
  2. Step 2: Convert to fraction form
    515,001,658.41/710,720,978.27 = 295,027,599.69/x
  3. Step 3: Cross multiply
    515,001,658.41x = 710,720,978.27 × 295,027,599.69
  4. Step 4: Simplify right side
    515,001,658.41x = 209,682,304,266,851,616
  5. Step 5: Solve for x
    x = 209,682,304,266,851,616/515,001,658.41
  6. Step 6: Final answer
    x = 407,148,794.27

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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.