Home / 1,494,680,869.40-2,242,021,304.10-511,780,739.90

Finding the Fourth Proportional to 1,494,680,869.40, 2,242,021,304.10 and 511,780,739.90

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Solution

The fourth proportional to 1,494,680,869.40, 2,242,021,304.10 and 511,780,739.90 is: 767,671,109.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494,680,869.40 : 2,242,021,304.10 = 511,780,739.90 : x
  2. Step 2: Convert to fraction form
    1,494,680,869.40/2,242,021,304.10 = 511,780,739.90/x
  3. Step 3: Cross multiply
    1,494,680,869.40x = 2,242,021,304.10 × 511,780,739.90
  4. Step 4: Simplify right side
    1,494,680,869.40x = 1,147,423,321,883,860,864
  5. Step 5: Solve for x
    x = 1,147,423,321,883,860,864/1,494,680,869.40
  6. Step 6: Final answer
    x = 767,671,109.85

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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.