Home / 7,243,344,279.40-10,865,016,419.10-3,937,356,106.60

Finding the Fourth Proportional to 7,243,344,279.40, 10,865,016,419.10 and 3,937,356,106.60

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Solution

The fourth proportional to 7,243,344,279.40, 10,865,016,419.10 and 3,937,356,106.60 is: 5,906,034,159.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243,344,279.40 : 10,865,016,419.10 = 3,937,356,106.60 : x
  2. Step 2: Convert to fraction form
    7,243,344,279.40/10,865,016,419.10 = 3,937,356,106.60/x
  3. Step 3: Cross multiply
    7,243,344,279.40x = 10,865,016,419.10 × 3,937,356,106.60
  4. Step 4: Simplify right side
    7,243,344,279.40x = 42,779,438,746,052,648,960
  5. Step 5: Solve for x
    x = 42,779,438,746,052,648,960/7,243,344,279.40
  6. Step 6: Final answer
    x = 5,906,034,159.90

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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.