Home / 438,903,295.16-658,501,293.52-291,930,271.38

Finding the Fourth Proportional to 438,903,295.16, 658,501,293.52 and 291,930,271.38

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Solution

The fourth proportional to 438,903,295.16, 658,501,293.52 and 291,930,271.38 is: 437,992,750.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,903,295.16 : 658,501,293.52 = 291,930,271.38 : x
  2. Step 2: Convert to fraction form
    438,903,295.16/658,501,293.52 = 291,930,271.38/x
  3. Step 3: Cross multiply
    438,903,295.16x = 658,501,293.52 × 291,930,271.38
  4. Step 4: Simplify right side
    438,903,295.16x = 192,236,461,321,374,624
  5. Step 5: Solve for x
    x = 192,236,461,321,374,624/438,903,295.16
  6. Step 6: Final answer
    x = 437,992,750.21

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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.