Home / 1,243,260,734.91-1,863,971,731.19-751,864,758.80

Finding the Fourth Proportional to 1,243,260,734.91, 1,863,971,731.19 and 751,864,758.80

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Solution

The fourth proportional to 1,243,260,734.91, 1,863,971,731.19 and 751,864,758.80 is: 1,127,241,146.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,260,734.91 : 1,863,971,731.19 = 751,864,758.80 : x
  2. Step 2: Convert to fraction form
    1,243,260,734.91/1,863,971,731.19 = 751,864,758.80/x
  3. Step 3: Cross multiply
    1,243,260,734.91x = 1,863,971,731.19 × 751,864,758.80
  4. Step 4: Simplify right side
    1,243,260,734.91x = 1,401,454,656,084,945,664
  5. Step 5: Solve for x
    x = 1,401,454,656,084,945,664/1,243,260,734.91
  6. Step 6: Final answer
    x = 1,127,241,146.40

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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.