Home / 402,935,625.60-604,403,438.40-130,333,948.80

Finding the Fourth Proportional to 402,935,625.60, 604,403,438.40 and 130,333,948.80

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Solution

The fourth proportional to 402,935,625.60, 604,403,438.40 and 130,333,948.80 is: 195,500,923.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,935,625.60 : 604,403,438.40 = 130,333,948.80 : x
  2. Step 2: Convert to fraction form
    402,935,625.60/604,403,438.40 = 130,333,948.80/x
  3. Step 3: Cross multiply
    402,935,625.60x = 604,403,438.40 × 130,333,948.80
  4. Step 4: Simplify right side
    402,935,625.60x = 78,774,286,794,969,552
  5. Step 5: Solve for x
    x = 78,774,286,794,969,552/402,935,625.60
  6. Step 6: Final answer
    x = 195,500,923.20

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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.