Home / 12,132,874,931.04-16,743,429,319.68-6,780,524,621.76

Finding the Fourth Proportional to 12,132,874,931.04, 16,743,429,319.68 and 6,780,524,621.76

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Solution

The fourth proportional to 12,132,874,931.04, 16,743,429,319.68 and 6,780,524,621.76 is: 9,357,158,579.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,132,874,931.04 : 16,743,429,319.68 = 6,780,524,621.76 : x
  2. Step 2: Convert to fraction form
    12,132,874,931.04/16,743,429,319.68 = 6,780,524,621.76/x
  3. Step 3: Cross multiply
    12,132,874,931.04x = 16,743,429,319.68 × 6,780,524,621.76
  4. Step 4: Simplify right side
    12,132,874,931.04x = 113,529,234,754,788,524,032
  5. Step 5: Solve for x
    x = 113,529,234,754,788,524,032/12,132,874,931.04
  6. Step 6: Final answer
    x = 9,357,158,579.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.