Home / 1,214,677,378.80-1,822,016,068.20-889,802,319.60

Finding the Fourth Proportional to 1,214,677,378.80, 1,822,016,068.20 and 889,802,319.60

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Solution

The fourth proportional to 1,214,677,378.80, 1,822,016,068.20 and 889,802,319.60 is: 1,334,703,479.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,677,378.80 : 1,822,016,068.20 = 889,802,319.60 : x
  2. Step 2: Convert to fraction form
    1,214,677,378.80/1,822,016,068.20 = 889,802,319.60/x
  3. Step 3: Cross multiply
    1,214,677,378.80x = 1,822,016,068.20 × 889,802,319.60
  4. Step 4: Simplify right side
    1,214,677,378.80x = 1,621,234,123,832,832,000
  5. Step 5: Solve for x
    x = 1,621,234,123,832,832,000/1,214,677,378.80
  6. Step 6: Final answer
    x = 1,334,703,479.40

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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.