Home / 487,417,698.50-731,099,635.88-356,394,241.46

Finding the Fourth Proportional to 487,417,698.50, 731,099,635.88 and 356,394,241.46

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Solution

The fourth proportional to 487,417,698.50, 731,099,635.88 and 356,394,241.46 is: 534,571,684.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,417,698.50 : 731,099,635.88 = 356,394,241.46 : x
  2. Step 2: Convert to fraction form
    487,417,698.50/731,099,635.88 = 356,394,241.46/x
  3. Step 3: Cross multiply
    487,417,698.50x = 731,099,635.88 × 356,394,241.46
  4. Step 4: Simplify right side
    487,417,698.50x = 260,559,700,159,071,008
  5. Step 5: Solve for x
    x = 260,559,700,159,071,008/487,417,698.50
  6. Step 6: Final answer
    x = 534,571,684.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.