Home / 713,121,024.36-983,744,832.42-465,747,179.88

Finding the Fourth Proportional to 713,121,024.36, 983,744,832.42 and 465,747,179.88

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Solution

The fourth proportional to 713,121,024.36, 983,744,832.42 and 465,747,179.88 is: 642,494,563.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,121,024.36 : 983,744,832.42 = 465,747,179.88 : x
  2. Step 2: Convert to fraction form
    713,121,024.36/983,744,832.42 = 465,747,179.88/x
  3. Step 3: Cross multiply
    713,121,024.36x = 983,744,832.42 × 465,747,179.88
  4. Step 4: Simplify right side
    713,121,024.36x = 458,176,381,421,138,176
  5. Step 5: Solve for x
    x = 458,176,381,421,138,176/713,121,024.36
  6. Step 6: Final answer
    x = 642,494,563.71

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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.