Home / 2,156,387,643.60-3,234,581,465.40-2,071,734,997.20

Finding the Fourth Proportional to 2,156,387,643.60, 3,234,581,465.40 and 2,071,734,997.20

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Solution

The fourth proportional to 2,156,387,643.60, 3,234,581,465.40 and 2,071,734,997.20 is: 3,107,602,495.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,387,643.60 : 3,234,581,465.40 = 2,071,734,997.20 : x
  2. Step 2: Convert to fraction form
    2,156,387,643.60/3,234,581,465.40 = 2,071,734,997.20/x
  3. Step 3: Cross multiply
    2,156,387,643.60x = 3,234,581,465.40 × 2,071,734,997.20
  4. Step 4: Simplify right side
    2,156,387,643.60x = 6,701,195,623,163,640,832
  5. Step 5: Solve for x
    x = 6,701,195,623,163,640,832/2,156,387,643.60
  6. Step 6: Final answer
    x = 3,107,602,495.80

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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.