Home / 528,408,092.40-792,612,138.60-344,742,082.80

Finding the Fourth Proportional to 528,408,092.40, 792,612,138.60 and 344,742,082.80

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Solution

The fourth proportional to 528,408,092.40, 792,612,138.60 and 344,742,082.80 is: 517,113,124.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,408,092.40 : 792,612,138.60 = 344,742,082.80 : x
  2. Step 2: Convert to fraction form
    528,408,092.40/792,612,138.60 = 344,742,082.80/x
  3. Step 3: Cross multiply
    528,408,092.40x = 792,612,138.60 × 344,742,082.80
  4. Step 4: Simplify right side
    528,408,092.40x = 273,246,759,513,526,304
  5. Step 5: Solve for x
    x = 273,246,759,513,526,304/528,408,092.40
  6. Step 6: Final answer
    x = 517,113,124.20

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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.