Home / 1,387,001,112.54-2,080,280,202.18-404,197,763.46

Finding the Fourth Proportional to 1,387,001,112.54, 2,080,280,202.18 and 404,197,763.46

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Solution

The fourth proportional to 1,387,001,112.54, 2,080,280,202.18 and 404,197,763.46 is: 606,232,105.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,001,112.54 : 2,080,280,202.18 = 404,197,763.46 : x
  2. Step 2: Convert to fraction form
    1,387,001,112.54/2,080,280,202.18 = 404,197,763.46/x
  3. Step 3: Cross multiply
    1,387,001,112.54x = 2,080,280,202.18 × 404,197,763.46
  4. Step 4: Simplify right side
    1,387,001,112.54x = 840,844,605,091,272,576
  5. Step 5: Solve for x
    x = 840,844,605,091,272,576/1,387,001,112.54
  6. Step 6: Final answer
    x = 606,232,105.72

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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.