Home / 39,806,348,316.57-59,717,908,328.96-12,912,816,185.83

Finding the Fourth Proportional to 39,806,348,316.57, 59,717,908,328.96 and 12,912,816,185.83

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Solution

The fourth proportional to 39,806,348,316.57, 59,717,908,328.96 and 12,912,816,185.83 is: 19,371,944,573.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,806,348,316.57 : 59,717,908,328.96 = 12,912,816,185.83 : x
  2. Step 2: Convert to fraction form
    39,806,348,316.57/59,717,908,328.96 = 12,912,816,185.83/x
  3. Step 3: Cross multiply
    39,806,348,316.57x = 59,717,908,328.96 × 12,912,816,185.83
  4. Step 4: Simplify right side
    39,806,348,316.57x = 771,126,373,253,816,385,536
  5. Step 5: Solve for x
    x = 771,126,373,253,816,385,536/39,806,348,316.57
  6. Step 6: Final answer
    x = 19,371,944,573.29

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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.