Home / 612,822,381-844,706,962.80-414,511,555.20

Finding the Fourth Proportional to 612,822,381, 844,706,962.80 and 414,511,555.20

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Solution

The fourth proportional to 612,822,381, 844,706,962.80 and 414,511,555.20 is: 571,357,717.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,822,381 : 844,706,962.80 = 414,511,555.20 : x
  2. Step 2: Convert to fraction form
    612,822,381/844,706,962.80 = 414,511,555.20/x
  3. Step 3: Cross multiply
    612,822,381x = 844,706,962.80 × 414,511,555.20
  4. Step 4: Simplify right side
    612,822,381x = 350,140,796,838,496,512
  5. Step 5: Solve for x
    x = 350,140,796,838,496,512/612,822,381
  6. Step 6: Final answer
    x = 571,357,717.50

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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.