Home / 13,607,660,686.39-20,418,808,996.75-13,112,363,320.95

Finding the Fourth Proportional to 13,607,660,686.39, 20,418,808,996.75 and 13,112,363,320.95

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Solution

The fourth proportional to 13,607,660,686.39, 20,418,808,996.75 and 13,112,363,320.95 is: 19,675,596,586.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,607,660,686.39 : 20,418,808,996.75 = 13,112,363,320.95 : x
  2. Step 2: Convert to fraction form
    13,607,660,686.39/20,418,808,996.75 = 13,112,363,320.95/x
  3. Step 3: Cross multiply
    13,607,660,686.39x = 20,418,808,996.75 × 13,112,363,320.95
  4. Step 4: Simplify right side
    13,607,660,686.39x = 267,738,842,146,386,870,272
  5. Step 5: Solve for x
    x = 267,738,842,146,386,870,272/13,607,660,686.39
  6. Step 6: Final answer
    x = 19,675,596,586.14

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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.