Home / 487,575,612,130.20-731,363,418,195.30-318,117,890,241.60

Finding the Fourth Proportional to 487,575,612,130.20, 731,363,418,195.30 and 318,117,890,241.60

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Solution

The fourth proportional to 487,575,612,130.20, 731,363,418,195.30 and 318,117,890,241.60 is: 477,176,835,362.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,575,612,130.20 : 731,363,418,195.30 = 318,117,890,241.60 : x
  2. Step 2: Convert to fraction form
    487,575,612,130.20/731,363,418,195.30 = 318,117,890,241.60/x
  3. Step 3: Cross multiply
    487,575,612,130.20x = 731,363,418,195.30 × 318,117,890,241.60
  4. Step 4: Simplify right side
    487,575,612,130.20x = 232,659,787,596,173,846,511,616
  5. Step 5: Solve for x
    x = 232,659,787,596,173,846,511,616/487,575,612,130.20
  6. Step 6: Final answer
    x = 477,176,835,362.40

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Double scale
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Similar ratio
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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.