Home / 873,142,640.83-1,204,930,714.70-476,665,630.38

Finding the Fourth Proportional to 873,142,640.83, 1,204,930,714.70 and 476,665,630.38

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Solution

The fourth proportional to 873,142,640.83, 1,204,930,714.70 and 476,665,630.38 is: 657,795,223.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,142,640.83 : 1,204,930,714.70 = 476,665,630.38 : x
  2. Step 2: Convert to fraction form
    873,142,640.83/1,204,930,714.70 = 476,665,630.38/x
  3. Step 3: Cross multiply
    873,142,640.83x = 1,204,930,714.70 × 476,665,630.38
  4. Step 4: Simplify right side
    873,142,640.83x = 574,349,058,678,435,520
  5. Step 5: Solve for x
    x = 574,349,058,678,435,520/873,142,640.83
  6. Step 6: Final answer
    x = 657,795,223.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.