Home / 556,683,799.96-769,888,351.02-486,948,126.52

Finding the Fourth Proportional to 556,683,799.96, 769,888,351.02 and 486,948,126.52

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Solution

The fourth proportional to 556,683,799.96, 769,888,351.02 and 486,948,126.52 is: 673,444,584.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,683,799.96 : 769,888,351.02 = 486,948,126.52 : x
  2. Step 2: Convert to fraction form
    556,683,799.96/769,888,351.02 = 486,948,126.52/x
  3. Step 3: Cross multiply
    556,683,799.96x = 769,888,351.02 × 486,948,126.52
  4. Step 4: Simplify right side
    556,683,799.96x = 374,895,690,158,761,088
  5. Step 5: Solve for x
    x = 374,895,690,158,761,088/556,683,799.96
  6. Step 6: Final answer
    x = 673,444,584.14

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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.