Home / 558,496,607.64-770,730,673-307,606,687.44

Finding the Fourth Proportional to 558,496,607.64, 770,730,673 and 307,606,687.44

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Solution

The fourth proportional to 558,496,607.64, 770,730,673 and 307,606,687.44 is: 424,500,177.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,496,607.64 : 770,730,673 = 307,606,687.44 : x
  2. Step 2: Convert to fraction form
    558,496,607.64/770,730,673 = 307,606,687.44/x
  3. Step 3: Cross multiply
    558,496,607.64x = 770,730,673 × 307,606,687.44
  4. Step 4: Simplify right side
    558,496,607.64x = 237,081,909,229,931,840
  5. Step 5: Solve for x
    x = 237,081,909,229,931,840/558,496,607.64
  6. Step 6: Final answer
    x = 424,500,177.78

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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.