Home / 478,073,237.40-659,732,108.58-292,420,615.32

Finding the Fourth Proportional to 478,073,237.40, 659,732,108.58 and 292,420,615.32

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Solution

The fourth proportional to 478,073,237.40, 659,732,108.58 and 292,420,615.32 is: 403,534,969.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,073,237.40 : 659,732,108.58 = 292,420,615.32 : x
  2. Step 2: Convert to fraction form
    478,073,237.40/659,732,108.58 = 292,420,615.32/x
  3. Step 3: Cross multiply
    478,073,237.40x = 659,732,108.58 × 292,420,615.32
  4. Step 4: Simplify right side
    478,073,237.40x = 192,919,269,137,324,672
  5. Step 5: Solve for x
    x = 192,919,269,137,324,672/478,073,237.40
  6. Step 6: Final answer
    x = 403,534,969.22

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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.