Home / 438,779,405.35-658,169,108.03-147,549,737.35

Finding the Fourth Proportional to 438,779,405.35, 658,169,108.03 and 147,549,737.35

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Solution

The fourth proportional to 438,779,405.35, 658,169,108.03 and 147,549,737.35 is: 221,324,606.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,779,405.35 : 658,169,108.03 = 147,549,737.35 : x
  2. Step 2: Convert to fraction form
    438,779,405.35/658,169,108.03 = 147,549,737.35/x
  3. Step 3: Cross multiply
    438,779,405.35x = 658,169,108.03 × 147,549,737.35
  4. Step 4: Simplify right side
    438,779,405.35x = 97,112,679,020,972,512
  5. Step 5: Solve for x
    x = 97,112,679,020,972,512/438,779,405.35
  6. Step 6: Final answer
    x = 221,324,606.03

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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.