Home / 612,822,382-844,706,964.18-414,511,556.20

Finding the Fourth Proportional to 612,822,382, 844,706,964.18 and 414,511,556.20

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Solution

The fourth proportional to 612,822,382, 844,706,964.18 and 414,511,556.20 is: 571,357,718.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,822,382 : 844,706,964.18 = 414,511,556.20 : x
  2. Step 2: Convert to fraction form
    612,822,382/844,706,964.18 = 414,511,556.20/x
  3. Step 3: Cross multiply
    612,822,382x = 844,706,964.18 × 414,511,556.20
  4. Step 4: Simplify right side
    612,822,382x = 350,140,798,255,229,440
  5. Step 5: Solve for x
    x = 350,140,798,255,229,440/612,822,382
  6. Step 6: Final answer
    x = 571,357,718.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.