Home / 1,199,845,699.86-1,799,396,380.59-423,309,767.70

Finding the Fourth Proportional to 1,199,845,699.86, 1,799,396,380.59 and 423,309,767.70

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Solution

The fourth proportional to 1,199,845,699.86, 1,799,396,380.59 and 423,309,767.70 is: 634,833,348.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,845,699.86 : 1,799,396,380.59 = 423,309,767.70 : x
  2. Step 2: Convert to fraction form
    1,199,845,699.86/1,799,396,380.59 = 423,309,767.70/x
  3. Step 3: Cross multiply
    1,199,845,699.86x = 1,799,396,380.59 × 423,309,767.70
  4. Step 4: Simplify right side
    1,199,845,699.86x = 761,702,063,867,773,568
  5. Step 5: Solve for x
    x = 761,702,063,867,773,568/1,199,845,699.86
  6. Step 6: Final answer
    x = 634,833,348.95

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1.5x scale

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.