Home / 787,427,408.80-1,180,787,218.80-302,592,080.80

Finding the Fourth Proportional to 787,427,408.80, 1,180,787,218.80 and 302,592,080.80

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Solution

The fourth proportional to 787,427,408.80, 1,180,787,218.80 and 302,592,080.80 is: 453,752,126.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,427,408.80 : 1,180,787,218.80 = 302,592,080.80 : x
  2. Step 2: Convert to fraction form
    787,427,408.80/1,180,787,218.80 = 302,592,080.80/x
  3. Step 3: Cross multiply
    787,427,408.80x = 1,180,787,218.80 × 302,592,080.80
  4. Step 4: Simplify right side
    787,427,408.80x = 357,296,861,518,736,896
  5. Step 5: Solve for x
    x = 357,296,861,518,736,896/787,427,408.80
  6. Step 6: Final answer
    x = 453,752,126.90

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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.