Home / 763,120,104.80-1,144,829,456.40-326,419,944.80

Finding the Fourth Proportional to 763,120,104.80, 1,144,829,456.40 and 326,419,944.80

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Solution

The fourth proportional to 763,120,104.80, 1,144,829,456.40 and 326,419,944.80 is: 489,693,779.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,120,104.80 : 1,144,829,456.40 = 326,419,944.80 : x
  2. Step 2: Convert to fraction form
    763,120,104.80/1,144,829,456.40 = 326,419,944.80/x
  3. Step 3: Cross multiply
    763,120,104.80x = 1,144,829,456.40 × 326,419,944.80
  4. Step 4: Simplify right side
    763,120,104.80x = 373,695,167,963,502,080
  5. Step 5: Solve for x
    x = 373,695,167,963,502,080/763,120,104.80
  6. Step 6: Final answer
    x = 489,693,779.02

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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.