Home / 865,580,534.30-1,298,496,772.65-283,173,686.30

Finding the Fourth Proportional to 865,580,534.30, 1,298,496,772.65 and 283,173,686.30

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Solution

The fourth proportional to 865,580,534.30, 1,298,496,772.65 and 283,173,686.30 is: 424,801,740.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,580,534.30 : 1,298,496,772.65 = 283,173,686.30 : x
  2. Step 2: Convert to fraction form
    865,580,534.30/1,298,496,772.65 = 283,173,686.30/x
  3. Step 3: Cross multiply
    865,580,534.30x = 1,298,496,772.65 × 283,173,686.30
  4. Step 4: Simplify right side
    865,580,534.30x = 367,700,117,759,953,536
  5. Step 5: Solve for x
    x = 367,700,117,759,953,536/865,580,534.30
  6. Step 6: Final answer
    x = 424,801,740.78

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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.