Home / 20,769,053,143.04-28,671,176,437.44-13,914,252,949.76

Finding the Fourth Proportional to 20,769,053,143.04, 28,671,176,437.44 and 13,914,252,949.76

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Solution

The fourth proportional to 20,769,053,143.04, 28,671,176,437.44 and 13,914,252,949.76 is: 19,208,290,265.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,769,053,143.04 : 28,671,176,437.44 = 13,914,252,949.76 : x
  2. Step 2: Convert to fraction form
    20,769,053,143.04/28,671,176,437.44 = 13,914,252,949.76/x
  3. Step 3: Cross multiply
    20,769,053,143.04x = 28,671,176,437.44 × 13,914,252,949.76
  4. Step 4: Simplify right side
    20,769,053,143.04x = 398,938,001,317,738,905,600
  5. Step 5: Solve for x
    x = 398,938,001,317,738,905,600/20,769,053,143.04
  6. Step 6: Final answer
    x = 19,208,290,265.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.