Home / 39,806,348,315.93-59,717,908,327.99-12,912,816,185.18

Finding the Fourth Proportional to 39,806,348,315.93, 59,717,908,327.99 and 12,912,816,185.18

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Solution

The fourth proportional to 39,806,348,315.93, 59,717,908,327.99 and 12,912,816,185.18 is: 19,371,944,572.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,806,348,315.93 : 59,717,908,327.99 = 12,912,816,185.18 : x
  2. Step 2: Convert to fraction form
    39,806,348,315.93/59,717,908,327.99 = 12,912,816,185.18/x
  3. Step 3: Cross multiply
    39,806,348,315.93x = 59,717,908,327.99 × 12,912,816,185.18
  4. Step 4: Simplify right side
    39,806,348,315.93x = 771,126,373,202,401,558,528
  5. Step 5: Solve for x
    x = 771,126,373,202,401,558,528/39,806,348,315.93
  6. Step 6: Final answer
    x = 19,371,944,572.32

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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.