Home / 636,314,928.92-954,609,774.95-193,692,220.47

Finding the Fourth Proportional to 636,314,928.92, 954,609,774.95 and 193,692,220.47

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Solution

The fourth proportional to 636,314,928.92, 954,609,774.95 and 193,692,220.47 is: 290,580,149.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,314,928.92 : 954,609,774.95 = 193,692,220.47 : x
  2. Step 2: Convert to fraction form
    636,314,928.92/954,609,774.95 = 193,692,220.47/x
  3. Step 3: Cross multiply
    636,314,928.92x = 954,609,774.95 × 193,692,220.47
  4. Step 4: Simplify right side
    636,314,928.92x = 184,900,486,986,690,976
  5. Step 5: Solve for x
    x = 184,900,486,986,690,976/636,314,928.92
  6. Step 6: Final answer
    x = 290,580,149.21

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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.