Home / 7,142,343,229.86-10,707,521,931.79-3,157,784,034.91

Finding the Fourth Proportional to 7,142,343,229.86, 10,707,521,931.79 and 3,157,784,034.91

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Solution

The fourth proportional to 7,142,343,229.86, 10,707,521,931.79 and 3,157,784,034.91 is: 4,734,026,456.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,142,343,229.86 : 10,707,521,931.79 = 3,157,784,034.91 : x
  2. Step 2: Convert to fraction form
    7,142,343,229.86/10,707,521,931.79 = 3,157,784,034.91/x
  3. Step 3: Cross multiply
    7,142,343,229.86x = 10,707,521,931.79 × 3,157,784,034.91
  4. Step 4: Simplify right side
    7,142,343,229.86x = 33,812,041,809,647,816,704
  5. Step 5: Solve for x
    x = 33,812,041,809,647,816,704/7,142,343,229.86
  6. Step 6: Final answer
    x = 4,734,026,456.23

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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.