Home / 458,279,693.73-632,479,829.36-257,369,586.03

Finding the Fourth Proportional to 458,279,693.73, 632,479,829.36 and 257,369,586.03

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Solution

The fourth proportional to 458,279,693.73, 632,479,829.36 and 257,369,586.03 is: 355,200,271.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,279,693.73 : 632,479,829.36 = 257,369,586.03 : x
  2. Step 2: Convert to fraction form
    458,279,693.73/632,479,829.36 = 257,369,586.03/x
  3. Step 3: Cross multiply
    458,279,693.73x = 632,479,829.36 × 257,369,586.03
  4. Step 4: Simplify right side
    458,279,693.73x = 162,781,071,853,421,408
  5. Step 5: Solve for x
    x = 162,781,071,853,421,408/458,279,693.73
  6. Step 6: Final answer
    x = 355,200,271.97

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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.