Home / 672,645,612.15-1,008,968,418.23-498,306,392.10

Finding the Fourth Proportional to 672,645,612.15, 1,008,968,418.23 and 498,306,392.10

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Solution

The fourth proportional to 672,645,612.15, 1,008,968,418.23 and 498,306,392.10 is: 747,459,588.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,645,612.15 : 1,008,968,418.23 = 498,306,392.10 : x
  2. Step 2: Convert to fraction form
    672,645,612.15/1,008,968,418.23 = 498,306,392.10/x
  3. Step 3: Cross multiply
    672,645,612.15x = 1,008,968,418.23 × 498,306,392.10
  4. Step 4: Simplify right side
    672,645,612.15x = 502,775,412,228,543,680
  5. Step 5: Solve for x
    x = 502,775,412,228,543,680/672,645,612.15
  6. Step 6: Final answer
    x = 747,459,588.15

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Double scale
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Similar ratio
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1.5x scale

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.