Home / 399,264,985.60-598,897,478.40-194,687,756.80

Finding the Fourth Proportional to 399,264,985.60, 598,897,478.40 and 194,687,756.80

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Solution

The fourth proportional to 399,264,985.60, 598,897,478.40 and 194,687,756.80 is: 292,031,635.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,264,985.60 : 598,897,478.40 = 194,687,756.80 : x
  2. Step 2: Convert to fraction form
    399,264,985.60/598,897,478.40 = 194,687,756.80/x
  3. Step 3: Cross multiply
    399,264,985.60x = 598,897,478.40 × 194,687,756.80
  4. Step 4: Simplify right side
    399,264,985.60x = 116,598,006,622,872,448
  5. Step 5: Solve for x
    x = 116,598,006,622,872,448/399,264,985.60
  6. Step 6: Final answer
    x = 292,031,635.20

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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.