Home / 663,552,560.20-995,328,840.30-578,617,904.20

Finding the Fourth Proportional to 663,552,560.20, 995,328,840.30 and 578,617,904.20

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Solution

The fourth proportional to 663,552,560.20, 995,328,840.30 and 578,617,904.20 is: 867,926,856.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,552,560.20 : 995,328,840.30 = 578,617,904.20 : x
  2. Step 2: Convert to fraction form
    663,552,560.20/995,328,840.30 = 578,617,904.20/x
  3. Step 3: Cross multiply
    663,552,560.20x = 995,328,840.30 × 578,617,904.20
  4. Step 4: Simplify right side
    663,552,560.20x = 575,915,087,564,202,496
  5. Step 5: Solve for x
    x = 575,915,087,564,202,496/663,552,560.20
  6. Step 6: Final answer
    x = 867,926,856.30

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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.