Home / 483,947,155.07-725,918,337.49-418,168,126.60

Finding the Fourth Proportional to 483,947,155.07, 725,918,337.49 and 418,168,126.60

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Solution

The fourth proportional to 483,947,155.07, 725,918,337.49 and 418,168,126.60 is: 627,250,120.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,947,155.07 : 725,918,337.49 = 418,168,126.60 : x
  2. Step 2: Convert to fraction form
    483,947,155.07/725,918,337.49 = 418,168,126.60/x
  3. Step 3: Cross multiply
    483,947,155.07x = 725,918,337.49 × 418,168,126.60
  4. Step 4: Simplify right side
    483,947,155.07x = 303,555,911,252,779,840
  5. Step 5: Solve for x
    x = 303,555,911,252,779,840/483,947,155.07
  6. Step 6: Final answer
    x = 627,250,120.33

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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.