Home / 674,959,680.70-1,012,439,521.05-470,718,375.10

Finding the Fourth Proportional to 674,959,680.70, 1,012,439,521.05 and 470,718,375.10

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Solution

The fourth proportional to 674,959,680.70, 1,012,439,521.05 and 470,718,375.10 is: 706,077,562.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,959,680.70 : 1,012,439,521.05 = 470,718,375.10 : x
  2. Step 2: Convert to fraction form
    674,959,680.70/1,012,439,521.05 = 470,718,375.10/x
  3. Step 3: Cross multiply
    674,959,680.70x = 1,012,439,521.05 × 470,718,375.10
  4. Step 4: Simplify right side
    674,959,680.70x = 476,573,886,235,678,272
  5. Step 5: Solve for x
    x = 476,573,886,235,678,272/674,959,680.70
  6. Step 6: Final answer
    x = 706,077,562.65

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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.