Home / 14,421,917,520.71-19,902,363,034.82-7,991,844,907.03

Finding the Fourth Proportional to 14,421,917,520.71, 19,902,363,034.82 and 7,991,844,907.03

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Solution

The fourth proportional to 14,421,917,520.71, 19,902,363,034.82 and 7,991,844,907.03 is: 11,028,810,727.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,421,917,520.71 : 19,902,363,034.82 = 7,991,844,907.03 : x
  2. Step 2: Convert to fraction form
    14,421,917,520.71/19,902,363,034.82 = 7,991,844,907.03/x
  3. Step 3: Cross multiply
    14,421,917,520.71x = 19,902,363,034.82 × 7,991,844,907.03
  4. Step 4: Simplify right side
    14,421,917,520.71x = 159,056,598,657,688,338,432
  5. Step 5: Solve for x
    x = 159,056,598,657,688,338,432/14,421,917,520.71
  6. Step 6: Final answer
    x = 11,028,810,727.10

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1.5x scale

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.