Home / 3,942,436,838.85-5,913,655,258.28-2,391,479,424.45

Finding the Fourth Proportional to 3,942,436,838.85, 5,913,655,258.28 and 2,391,479,424.45

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Solution

The fourth proportional to 3,942,436,838.85, 5,913,655,258.28 and 2,391,479,424.45 is: 3,587,219,136.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942,436,838.85 : 5,913,655,258.28 = 2,391,479,424.45 : x
  2. Step 2: Convert to fraction form
    3,942,436,838.85/5,913,655,258.28 = 2,391,479,424.45/x
  3. Step 3: Cross multiply
    3,942,436,838.85x = 5,913,655,258.28 × 2,391,479,424.45
  4. Step 4: Simplify right side
    3,942,436,838.85x = 14,142,384,873,455,210,496
  5. Step 5: Solve for x
    x = 14,142,384,873,455,210,496/3,942,436,838.85
  6. Step 6: Final answer
    x = 3,587,219,136.68

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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.