Home / 1,418,481,832.40-2,127,722,748.60-874,286,248.40

Finding the Fourth Proportional to 1,418,481,832.40, 2,127,722,748.60 and 874,286,248.40

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Solution

The fourth proportional to 1,418,481,832.40, 2,127,722,748.60 and 874,286,248.40 is: 1,311,429,372.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,481,832.40 : 2,127,722,748.60 = 874,286,248.40 : x
  2. Step 2: Convert to fraction form
    1,418,481,832.40/2,127,722,748.60 = 874,286,248.40/x
  3. Step 3: Cross multiply
    1,418,481,832.40x = 2,127,722,748.60 × 874,286,248.40
  4. Step 4: Simplify right side
    1,418,481,832.40x = 1,860,238,739,508,830,208
  5. Step 5: Solve for x
    x = 1,860,238,739,508,830,208/1,418,481,832.40
  6. Step 6: Final answer
    x = 1,311,429,372.60

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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.