Home / 749,290,118,186.95-1,123,802,319,432.70-340,780,806,172.22

Finding the Fourth Proportional to 749,290,118,186.95, 1,123,802,319,432.70 and 340,780,806,172.22

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Solution

The fourth proportional to 749,290,118,186.95, 1,123,802,319,432.70 and 340,780,806,172.22 is: 511,110,784,860.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,290,118,186.95 : 1,123,802,319,432.70 = 340,780,806,172.22 : x
  2. Step 2: Convert to fraction form
    749,290,118,186.95/1,123,802,319,432.70 = 340,780,806,172.22/x
  3. Step 3: Cross multiply
    749,290,118,186.95x = 1,123,802,319,432.70 × 340,780,806,172.22
  4. Step 4: Simplify right side
    749,290,118,186.95x = 382,970,260,394,486,148,366,336
  5. Step 5: Solve for x
    x = 382,970,260,394,486,148,366,336/749,290,118,186.95
  6. Step 6: Final answer
    x = 511,110,784,860.15

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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.