Home / 674,959,680.20-1,012,439,520.30-470,718,374.60

Finding the Fourth Proportional to 674,959,680.20, 1,012,439,520.30 and 470,718,374.60

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Solution

The fourth proportional to 674,959,680.20, 1,012,439,520.30 and 470,718,374.60 is: 706,077,561.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,959,680.20 : 1,012,439,520.30 = 470,718,374.60 : x
  2. Step 2: Convert to fraction form
    674,959,680.20/1,012,439,520.30 = 470,718,374.60/x
  3. Step 3: Cross multiply
    674,959,680.20x = 1,012,439,520.30 × 470,718,374.60
  4. Step 4: Simplify right side
    674,959,680.20x = 476,573,885,376,419,712
  5. Step 5: Solve for x
    x = 476,573,885,376,419,712/674,959,680.20
  6. Step 6: Final answer
    x = 706,077,561.90

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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.