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Finding the Fourth Proportional to 1,375,806,700.07, 2,063,555,505.04 and 379,969,300.30

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Solution

The fourth proportional to 1,375,806,700.07, 2,063,555,505.04 and 379,969,300.30 is: 569,911,268.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,806,700.07 : 2,063,555,505.04 = 379,969,300.30 : x
  2. Step 2: Convert to fraction form
    1,375,806,700.07/2,063,555,505.04 = 379,969,300.30/x
  3. Step 3: Cross multiply
    1,375,806,700.07x = 2,063,555,505.04 × 379,969,300.30
  4. Step 4: Simplify right side
    1,375,806,700.07x = 784,087,741,380,261,888
  5. Step 5: Solve for x
    x = 784,087,741,380,261,888/1,375,806,700.07
  6. Step 6: Final answer
    x = 569,911,268.31

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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.