Home / 893,470,598.20-1,340,205,897.30-663,888,086.20

Finding the Fourth Proportional to 893,470,598.20, 1,340,205,897.30 and 663,888,086.20

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Solution

The fourth proportional to 893,470,598.20, 1,340,205,897.30 and 663,888,086.20 is: 995,832,129.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,470,598.20 : 1,340,205,897.30 = 663,888,086.20 : x
  2. Step 2: Convert to fraction form
    893,470,598.20/1,340,205,897.30 = 663,888,086.20/x
  3. Step 3: Cross multiply
    893,470,598.20x = 1,340,205,897.30 × 663,888,086.20
  4. Step 4: Simplify right side
    893,470,598.20x = 889,746,728,272,450,816
  5. Step 5: Solve for x
    x = 889,746,728,272,450,816/893,470,598.20
  6. Step 6: Final answer
    x = 995,832,129.30

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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.