Home / 431,371,334,154.60-647,057,001,231.90-180,012,920,891.40

Finding the Fourth Proportional to 431,371,334,154.60, 647,057,001,231.90 and 180,012,920,891.40

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Solution

The fourth proportional to 431,371,334,154.60, 647,057,001,231.90 and 180,012,920,891.40 is: 270,019,381,337.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,371,334,154.60 : 647,057,001,231.90 = 180,012,920,891.40 : x
  2. Step 2: Convert to fraction form
    431,371,334,154.60/647,057,001,231.90 = 180,012,920,891.40/x
  3. Step 3: Cross multiply
    431,371,334,154.60x = 647,057,001,231.90 × 180,012,920,891.40
  4. Step 4: Simplify right side
    431,371,334,154.60x = 116,478,620,774,984,520,302,592
  5. Step 5: Solve for x
    x = 116,478,620,774,984,520,302,592/431,371,334,154.60
  6. Step 6: Final answer
    x = 270,019,381,337.10

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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.