Home / 1,077,657,311.20-1,616,485,966.80-974,345,180.80

Finding the Fourth Proportional to 1,077,657,311.20, 1,616,485,966.80 and 974,345,180.80

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Solution

The fourth proportional to 1,077,657,311.20, 1,616,485,966.80 and 974,345,180.80 is: 1,461,517,771.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,657,311.20 : 1,616,485,966.80 = 974,345,180.80 : x
  2. Step 2: Convert to fraction form
    1,077,657,311.20/1,616,485,966.80 = 974,345,180.80/x
  3. Step 3: Cross multiply
    1,077,657,311.20x = 1,616,485,966.80 × 974,345,180.80
  4. Step 4: Simplify right side
    1,077,657,311.20x = 1,575,015,311,582,408,704
  5. Step 5: Solve for x
    x = 1,575,015,311,582,408,704/1,077,657,311.20
  6. Step 6: Final answer
    x = 1,461,517,771.20

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Double scale
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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.