Home / 2,413,698,691.80-3,619,697,732.10-861,040,666.20

Finding the Fourth Proportional to 2,413,698,691.80, 3,619,697,732.10 and 861,040,666.20

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Solution

The fourth proportional to 2,413,698,691.80, 3,619,697,732.10 and 861,040,666.20 is: 1,291,257,669.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,413,698,691.80 : 3,619,697,732.10 = 861,040,666.20 : x
  2. Step 2: Convert to fraction form
    2,413,698,691.80/3,619,697,732.10 = 861,040,666.20/x
  3. Step 3: Cross multiply
    2,413,698,691.80x = 3,619,697,732.10 × 861,040,666.20
  4. Step 4: Simplify right side
    2,413,698,691.80x = 3,116,706,946,690,013,184
  5. Step 5: Solve for x
    x = 3,116,706,946,690,013,184/2,413,698,691.80
  6. Step 6: Final answer
    x = 1,291,257,669.10

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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.