Home / 1,787,864,432.86-2,467,233,337.46-984,074,744.12

Finding the Fourth Proportional to 1,787,864,432.86, 2,467,233,337.46 and 984,074,744.12

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Solution

The fourth proportional to 1,787,864,432.86, 2,467,233,337.46 and 984,074,744.12 is: 1,358,012,369.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,864,432.86 : 2,467,233,337.46 = 984,074,744.12 : x
  2. Step 2: Convert to fraction form
    1,787,864,432.86/2,467,233,337.46 = 984,074,744.12/x
  3. Step 3: Cross multiply
    1,787,864,432.86x = 2,467,233,337.46 × 984,074,744.12
  4. Step 4: Simplify right side
    1,787,864,432.86x = 2,427,942,015,230,683,136
  5. Step 5: Solve for x
    x = 2,427,942,015,230,683,136/1,787,864,432.86
  6. Step 6: Final answer
    x = 1,358,012,369.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.