Home / 39,806,348,318.62-59,717,908,332.02-12,912,816,187.87

Finding the Fourth Proportional to 39,806,348,318.62, 59,717,908,332.02 and 12,912,816,187.87

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Solution

The fourth proportional to 39,806,348,318.62, 59,717,908,332.02 and 12,912,816,187.87 is: 19,371,944,576.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,806,348,318.62 : 59,717,908,332.02 = 12,912,816,187.87 : x
  2. Step 2: Convert to fraction form
    39,806,348,318.62/59,717,908,332.02 = 12,912,816,187.87/x
  3. Step 3: Cross multiply
    39,806,348,318.62x = 59,717,908,332.02 × 12,912,816,187.87
  4. Step 4: Simplify right side
    39,806,348,318.62x = 771,126,373,415,351,091,200
  5. Step 5: Solve for x
    x = 771,126,373,415,351,091,200/39,806,348,318.62
  6. Step 6: Final answer
    x = 19,371,944,576.36

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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.