Home / 680,134,203.30-938,874,809.49-457,245,152.42

Finding the Fourth Proportional to 680,134,203.30, 938,874,809.49 and 457,245,152.42

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Solution

The fourth proportional to 680,134,203.30, 938,874,809.49 and 457,245,152.42 is: 631,193,010.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,134,203.30 : 938,874,809.49 = 457,245,152.42 : x
  2. Step 2: Convert to fraction form
    680,134,203.30/938,874,809.49 = 457,245,152.42/x
  3. Step 3: Cross multiply
    680,134,203.30x = 938,874,809.49 × 457,245,152.42
  4. Step 4: Simplify right side
    680,134,203.30x = 429,295,955,361,572,928
  5. Step 5: Solve for x
    x = 429,295,955,361,572,928/680,134,203.30
  6. Step 6: Final answer
    x = 631,193,010.56

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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.