Home / 1,243,260,755.20-1,863,971,761.62-751,864,779.16

Finding the Fourth Proportional to 1,243,260,755.20, 1,863,971,761.62 and 751,864,779.16

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Solution

The fourth proportional to 1,243,260,755.20, 1,863,971,761.62 and 751,864,779.16 is: 1,127,241,176.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,260,755.20 : 1,863,971,761.62 = 751,864,779.16 : x
  2. Step 2: Convert to fraction form
    1,243,260,755.20/1,863,971,761.62 = 751,864,779.16/x
  3. Step 3: Cross multiply
    1,243,260,755.20x = 1,863,971,761.62 × 751,864,779.16
  4. Step 4: Simplify right side
    1,243,260,755.20x = 1,401,454,716,910,897,408
  5. Step 5: Solve for x
    x = 1,401,454,716,910,897,408/1,243,260,755.20
  6. Step 6: Final answer
    x = 1,127,241,176.92

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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.