Home / 39,806,348,316.93-59,717,908,329.49-12,912,816,186.18

Finding the Fourth Proportional to 39,806,348,316.93, 59,717,908,329.49 and 12,912,816,186.18

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Solution

The fourth proportional to 39,806,348,316.93, 59,717,908,329.49 and 12,912,816,186.18 is: 19,371,944,573.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,806,348,316.93 : 59,717,908,329.49 = 12,912,816,186.18 : x
  2. Step 2: Convert to fraction form
    39,806,348,316.93/59,717,908,329.49 = 12,912,816,186.18/x
  3. Step 3: Cross multiply
    39,806,348,316.93x = 59,717,908,329.49 × 12,912,816,186.18
  4. Step 4: Simplify right side
    39,806,348,316.93x = 771,126,373,281,851,899,904
  5. Step 5: Solve for x
    x = 771,126,373,281,851,899,904/39,806,348,316.93
  6. Step 6: Final answer
    x = 19,371,944,573.82

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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.