Home / 1,386,837,959.04-2,080,972,140.48-649,982,722.56

Finding the Fourth Proportional to 1,386,837,959.04, 2,080,972,140.48 and 649,982,722.56

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Solution

The fourth proportional to 1,386,837,959.04, 2,080,972,140.48 and 649,982,722.56 is: 975,309,284.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,837,959.04 : 2,080,972,140.48 = 649,982,722.56 : x
  2. Step 2: Convert to fraction form
    1,386,837,959.04/2,080,972,140.48 = 649,982,722.56/x
  3. Step 3: Cross multiply
    1,386,837,959.04x = 2,080,972,140.48 × 649,982,722.56
  4. Step 4: Simplify right side
    1,386,837,959.04x = 1,352,595,937,440,701,184
  5. Step 5: Solve for x
    x = 1,352,595,937,440,701,184/1,386,837,959.04
  6. Step 6: Final answer
    x = 975,309,284.42

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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.