Home / 874,470,672.80-1,311,773,822.40-292,207,000.40

Finding the Fourth Proportional to 874,470,672.80, 1,311,773,822.40 and 292,207,000.40

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Solution

The fourth proportional to 874,470,672.80, 1,311,773,822.40 and 292,207,000.40 is: 438,333,160.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,470,672.80 : 1,311,773,822.40 = 292,207,000.40 : x
  2. Step 2: Convert to fraction form
    874,470,672.80/1,311,773,822.40 = 292,207,000.40/x
  3. Step 3: Cross multiply
    874,470,672.80x = 1,311,773,822.40 × 292,207,000.40
  4. Step 4: Simplify right side
    874,470,672.80x = 383,309,493,846,746,304
  5. Step 5: Solve for x
    x = 383,309,493,846,746,304/874,470,672.80
  6. Step 6: Final answer
    x = 438,333,160.58

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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.