Home / 7,243,344,254.40-10,865,016,381.60-5,039,352,139.20

Finding the Fourth Proportional to 7,243,344,254.40, 10,865,016,381.60 and 5,039,352,139.20

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Solution

The fourth proportional to 7,243,344,254.40, 10,865,016,381.60 and 5,039,352,139.20 is: 7,559,028,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243,344,254.40 : 10,865,016,381.60 = 5,039,352,139.20 : x
  2. Step 2: Convert to fraction form
    7,243,344,254.40/10,865,016,381.60 = 5,039,352,139.20/x
  3. Step 3: Cross multiply
    7,243,344,254.40x = 10,865,016,381.60 × 5,039,352,139.20
  4. Step 4: Simplify right side
    7,243,344,254.40x = 54,752,643,545,059,000,320
  5. Step 5: Solve for x
    x = 54,752,643,545,059,000,320/7,243,344,254.40
  6. Step 6: Final answer
    x = 7,559,028,208.80

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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.