Home / 926,469,387.80-1,389,704,081.70-313,044,756.20

Finding the Fourth Proportional to 926,469,387.80, 1,389,704,081.70 and 313,044,756.20

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Solution

The fourth proportional to 926,469,387.80, 1,389,704,081.70 and 313,044,756.20 is: 469,567,134.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,469,387.80 : 1,389,704,081.70 = 313,044,756.20 : x
  2. Step 2: Convert to fraction form
    926,469,387.80/1,389,704,081.70 = 313,044,756.20/x
  3. Step 3: Cross multiply
    926,469,387.80x = 1,389,704,081.70 × 313,044,756.20
  4. Step 4: Simplify right side
    926,469,387.80x = 435,039,575,445,921,408
  5. Step 5: Solve for x
    x = 435,039,575,445,921,408/926,469,387.80
  6. Step 6: Final answer
    x = 469,567,134.30

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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.