Home / 1,066,964,680.40-1,601,342,815.80-485,593,595.60

Finding the Fourth Proportional to 1,066,964,680.40, 1,601,342,815.80 and 485,593,595.60

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Solution

The fourth proportional to 1,066,964,680.40, 1,601,342,815.80 and 485,593,595.60 is: 728,798,084.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,964,680.40 : 1,601,342,815.80 = 485,593,595.60 : x
  2. Step 2: Convert to fraction form
    1,066,964,680.40/1,601,342,815.80 = 485,593,595.60/x
  3. Step 3: Cross multiply
    1,066,964,680.40x = 1,601,342,815.80 × 485,593,595.60
  4. Step 4: Simplify right side
    1,066,964,680.40x = 777,601,815,712,550,528
  5. Step 5: Solve for x
    x = 777,601,815,712,550,528/1,066,964,680.40
  6. Step 6: Final answer
    x = 728,798,084.88

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Double scale
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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.