Home / 10,637,615,433.20-15,956,423,149.80-5,127,635,145.20

Finding the Fourth Proportional to 10,637,615,433.20, 15,956,423,149.80 and 5,127,635,145.20

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Solution

The fourth proportional to 10,637,615,433.20, 15,956,423,149.80 and 5,127,635,145.20 is: 7,691,452,717.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,637,615,433.20 : 15,956,423,149.80 = 5,127,635,145.20 : x
  2. Step 2: Convert to fraction form
    10,637,615,433.20/15,956,423,149.80 = 5,127,635,145.20/x
  3. Step 3: Cross multiply
    10,637,615,433.20x = 15,956,423,149.80 × 5,127,635,145.20
  4. Step 4: Simplify right side
    10,637,615,433.20x = 81,818,716,134,597,361,664
  5. Step 5: Solve for x
    x = 81,818,716,134,597,361,664/10,637,615,433.20
  6. Step 6: Final answer
    x = 7,691,452,717.80

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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.