Home / 612,822,384-844,706,966.94-414,511,558.20

Finding the Fourth Proportional to 612,822,384, 844,706,966.94 and 414,511,558.20

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Solution

The fourth proportional to 612,822,384, 844,706,966.94 and 414,511,558.20 is: 571,357,721.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,822,384 : 844,706,966.94 = 414,511,558.20 : x
  2. Step 2: Convert to fraction form
    612,822,384/844,706,966.94 = 414,511,558.20/x
  3. Step 3: Cross multiply
    612,822,384x = 844,706,966.94 × 414,511,558.20
  4. Step 4: Simplify right side
    612,822,384x = 350,140,801,088,695,296
  5. Step 5: Solve for x
    x = 350,140,801,088,695,296/612,822,384
  6. Step 6: Final answer
    x = 571,357,721.63

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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.