Home / 7,144,937,143.20-10,717,405,714.80-6,873,742,800.90

Finding the Fourth Proportional to 7,144,937,143.20, 10,717,405,714.80 and 6,873,742,800.90

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Solution

The fourth proportional to 7,144,937,143.20, 10,717,405,714.80 and 6,873,742,800.90 is: 10,310,614,201.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,144,937,143.20 : 10,717,405,714.80 = 6,873,742,800.90 : x
  2. Step 2: Convert to fraction form
    7,144,937,143.20/10,717,405,714.80 = 6,873,742,800.90/x
  3. Step 3: Cross multiply
    7,144,937,143.20x = 10,717,405,714.80 × 6,873,742,800.90
  4. Step 4: Simplify right side
    7,144,937,143.20x = 73,668,690,376,431,009,792
  5. Step 5: Solve for x
    x = 73,668,690,376,431,009,792/7,144,937,143.20
  6. Step 6: Final answer
    x = 10,310,614,201.35

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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.