Home / 12,908,695,117.94-17,813,818,183.84-7,193,220,440.30

Finding the Fourth Proportional to 12,908,695,117.94, 17,813,818,183.84 and 7,193,220,440.30

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Solution

The fourth proportional to 12,908,695,117.94, 17,813,818,183.84 and 7,193,220,440.30 is: 9,926,543,303.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,908,695,117.94 : 17,813,818,183.84 = 7,193,220,440.30 : x
  2. Step 2: Convert to fraction form
    12,908,695,117.94/17,813,818,183.84 = 7,193,220,440.30/x
  3. Step 3: Cross multiply
    12,908,695,117.94x = 17,813,818,183.84 × 7,193,220,440.30
  4. Step 4: Simplify right side
    12,908,695,117.94x = 128,138,721,079,785,717,760
  5. Step 5: Solve for x
    x = 128,138,721,079,785,717,760/12,908,695,117.94
  6. Step 6: Final answer
    x = 9,926,543,303.49

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Double scale
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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.