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Finding the Fourth Proportional to 663,844,467.60, 995,766,701.40 and 502,601,331.60

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Solution

The fourth proportional to 663,844,467.60, 995,766,701.40 and 502,601,331.60 is: 753,901,997.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,844,467.60 : 995,766,701.40 = 502,601,331.60 : x
  2. Step 2: Convert to fraction form
    663,844,467.60/995,766,701.40 = 502,601,331.60/x
  3. Step 3: Cross multiply
    663,844,467.60x = 995,766,701.40 × 502,601,331.60
  4. Step 4: Simplify right side
    663,844,467.60x = 500,473,670,086,579,584
  5. Step 5: Solve for x
    x = 500,473,670,086,579,584/663,844,467.60
  6. Step 6: Final answer
    x = 753,901,997.40

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Half scale
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Double scale
Find fourth proportional to 663,844,468.60, 995,766,702.90 and 502,601,332.60
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.