Home / 478,073,237.65-659,732,108.93-292,420,615.57

Finding the Fourth Proportional to 478,073,237.65, 659,732,108.93 and 292,420,615.57

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Solution

The fourth proportional to 478,073,237.65, 659,732,108.93 and 292,420,615.57 is: 403,534,969.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,073,237.65 : 659,732,108.93 = 292,420,615.57 : x
  2. Step 2: Convert to fraction form
    478,073,237.65/659,732,108.93 = 292,420,615.57/x
  3. Step 3: Cross multiply
    478,073,237.65x = 659,732,108.93 × 292,420,615.57
  4. Step 4: Simplify right side
    478,073,237.65x = 192,919,269,403,142,784
  5. Step 5: Solve for x
    x = 192,919,269,403,142,784/478,073,237.65
  6. Step 6: Final answer
    x = 403,534,969.56

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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.