Home / 765,177,046.20-1,147,765,569.30-377,756,557.20

Finding the Fourth Proportional to 765,177,046.20, 1,147,765,569.30 and 377,756,557.20

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Solution

The fourth proportional to 765,177,046.20, 1,147,765,569.30 and 377,756,557.20 is: 566,634,835.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,177,046.20 : 1,147,765,569.30 = 377,756,557.20 : x
  2. Step 2: Convert to fraction form
    765,177,046.20/1,147,765,569.30 = 377,756,557.20/x
  3. Step 3: Cross multiply
    765,177,046.20x = 1,147,765,569.30 × 377,756,557.20
  4. Step 4: Simplify right side
    765,177,046.20x = 433,575,969,931,465,984
  5. Step 5: Solve for x
    x = 433,575,969,931,465,984/765,177,046.20
  6. Step 6: Final answer
    x = 566,634,835.80

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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.