Home / 8,087,872,404.20-12,131,808,606.30-6,709,243,591.40

Finding the Fourth Proportional to 8,087,872,404.20, 12,131,808,606.30 and 6,709,243,591.40

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Solution

The fourth proportional to 8,087,872,404.20, 12,131,808,606.30 and 6,709,243,591.40 is: 10,063,865,387.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,087,872,404.20 : 12,131,808,606.30 = 6,709,243,591.40 : x
  2. Step 2: Convert to fraction form
    8,087,872,404.20/12,131,808,606.30 = 6,709,243,591.40/x
  3. Step 3: Cross multiply
    8,087,872,404.20x = 12,131,808,606.30 × 6,709,243,591.40
  4. Step 4: Simplify right side
    8,087,872,404.20x = 81,395,259,143,909,638,144
  5. Step 5: Solve for x
    x = 81,395,259,143,909,638,144/8,087,872,404.20
  6. Step 6: Final answer
    x = 10,063,865,387.10

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Double scale
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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.