Home / 12,908,695,117.68-17,813,818,183.50-7,193,220,440.04

Finding the Fourth Proportional to 12,908,695,117.68, 17,813,818,183.50 and 7,193,220,440.04

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Solution

The fourth proportional to 12,908,695,117.68, 17,813,818,183.50 and 7,193,220,440.04 is: 9,926,543,303.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,908,695,117.68 : 17,813,818,183.50 = 7,193,220,440.04 : x
  2. Step 2: Convert to fraction form
    12,908,695,117.68/17,813,818,183.50 = 7,193,220,440.04/x
  3. Step 3: Cross multiply
    12,908,695,117.68x = 17,813,818,183.50 × 7,193,220,440.04
  4. Step 4: Simplify right side
    12,908,695,117.68x = 128,138,721,072,708,419,584
  5. Step 5: Solve for x
    x = 128,138,721,072,708,419,584/12,908,695,117.68
  6. Step 6: Final answer
    x = 9,926,543,303.14

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1.5x scale

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.