Home / 918,054,097.80-1,377,081,146.70-550,722,078.60

Finding the Fourth Proportional to 918,054,097.80, 1,377,081,146.70 and 550,722,078.60

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Solution

The fourth proportional to 918,054,097.80, 1,377,081,146.70 and 550,722,078.60 is: 826,083,117.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,054,097.80 : 1,377,081,146.70 = 550,722,078.60 : x
  2. Step 2: Convert to fraction form
    918,054,097.80/1,377,081,146.70 = 550,722,078.60/x
  3. Step 3: Cross multiply
    918,054,097.80x = 1,377,081,146.70 × 550,722,078.60
  4. Step 4: Simplify right side
    918,054,097.80x = 758,388,991,511,495,552
  5. Step 5: Solve for x
    x = 758,388,991,511,495,552/918,054,097.80
  6. Step 6: Final answer
    x = 826,083,117.90

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Double scale
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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.