Home / 790,161,271.20-1,090,489,515.80-437,847,774.66

Finding the Fourth Proportional to 790,161,271.20, 1,090,489,515.80 and 437,847,774.66

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Solution

The fourth proportional to 790,161,271.20, 1,090,489,515.80 and 437,847,774.66 is: 604,267,034.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,161,271.20 : 1,090,489,515.80 = 437,847,774.66 : x
  2. Step 2: Convert to fraction form
    790,161,271.20/1,090,489,515.80 = 437,847,774.66/x
  3. Step 3: Cross multiply
    790,161,271.20x = 1,090,489,515.80 × 437,847,774.66
  4. Step 4: Simplify right side
    790,161,271.20x = 477,468,407,780,901,760
  5. Step 5: Solve for x
    x = 477,468,407,780,901,760/790,161,271.20
  6. Step 6: Final answer
    x = 604,267,034.06

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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.