Home / 297,216,019.20-445,824,028.80-180,818,630.40

Finding the Fourth Proportional to 297,216,019.20, 445,824,028.80 and 180,818,630.40

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Solution

The fourth proportional to 297,216,019.20, 445,824,028.80 and 180,818,630.40 is: 271,227,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,216,019.20 : 445,824,028.80 = 180,818,630.40 : x
  2. Step 2: Convert to fraction form
    297,216,019.20/445,824,028.80 = 180,818,630.40/x
  3. Step 3: Cross multiply
    297,216,019.20x = 445,824,028.80 × 180,818,630.40
  4. Step 4: Simplify right side
    297,216,019.20x = 80,613,290,287,026,160
  5. Step 5: Solve for x
    x = 80,613,290,287,026,160/297,216,019.20
  6. Step 6: Final answer
    x = 271,227,945.60

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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.