Home / 3,180,819,003.40-4,771,228,505.10-852,115,400.20

Finding the Fourth Proportional to 3,180,819,003.40, 4,771,228,505.10 and 852,115,400.20

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Solution

The fourth proportional to 3,180,819,003.40, 4,771,228,505.10 and 852,115,400.20 is: 1,278,173,100.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180,819,003.40 : 4,771,228,505.10 = 852,115,400.20 : x
  2. Step 2: Convert to fraction form
    3,180,819,003.40/4,771,228,505.10 = 852,115,400.20/x
  3. Step 3: Cross multiply
    3,180,819,003.40x = 4,771,228,505.10 × 852,115,400.20
  4. Step 4: Simplify right side
    3,180,819,003.40x = 4,065,637,287,068,934,656
  5. Step 5: Solve for x
    x = 4,065,637,287,068,934,656/3,180,819,003.40
  6. Step 6: Final answer
    x = 1,278,173,100.30

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1.5x scale

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.