Home / 664,704,332.80-997,056,499.20-551,458,124.80

Finding the Fourth Proportional to 664,704,332.80, 997,056,499.20 and 551,458,124.80

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Solution

The fourth proportional to 664,704,332.80, 997,056,499.20 and 551,458,124.80 is: 827,187,187.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,704,332.80 : 997,056,499.20 = 551,458,124.80 : x
  2. Step 2: Convert to fraction form
    664,704,332.80/997,056,499.20 = 551,458,124.80/x
  3. Step 3: Cross multiply
    664,704,332.80x = 997,056,499.20 × 551,458,124.80
  4. Step 4: Simplify right side
    664,704,332.80x = 549,834,907,368,484,672
  5. Step 5: Solve for x
    x = 549,834,907,368,484,672/664,704,332.80
  6. Step 6: Final answer
    x = 827,187,187.20

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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.