Home / 8,279,177,467.20-12,418,766,200.80-4,973,189,294.40

Finding the Fourth Proportional to 8,279,177,467.20, 12,418,766,200.80 and 4,973,189,294.40

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Solution

The fourth proportional to 8,279,177,467.20, 12,418,766,200.80 and 4,973,189,294.40 is: 7,459,783,941.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,279,177,467.20 : 12,418,766,200.80 = 4,973,189,294.40 : x
  2. Step 2: Convert to fraction form
    8,279,177,467.20/12,418,766,200.80 = 4,973,189,294.40/x
  3. Step 3: Cross multiply
    8,279,177,467.20x = 12,418,766,200.80 × 4,973,189,294.40
  4. Step 4: Simplify right side
    8,279,177,467.20x = 61,760,875,119,475,113,984
  5. Step 5: Solve for x
    x = 61,760,875,119,475,113,984/8,279,177,467.20
  6. Step 6: Final answer
    x = 7,459,783,941.60

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Double scale
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Similar ratio
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1.5x scale

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.