Home / 1,942,162,405.10-2,913,243,607.65-715,171,424.30

Finding the Fourth Proportional to 1,942,162,405.10, 2,913,243,607.65 and 715,171,424.30

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Solution

The fourth proportional to 1,942,162,405.10, 2,913,243,607.65 and 715,171,424.30 is: 1,072,757,136.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,162,405.10 : 2,913,243,607.65 = 715,171,424.30 : x
  2. Step 2: Convert to fraction form
    1,942,162,405.10/2,913,243,607.65 = 715,171,424.30/x
  3. Step 3: Cross multiply
    1,942,162,405.10x = 2,913,243,607.65 × 715,171,424.30
  4. Step 4: Simplify right side
    1,942,162,405.10x = 2,083,468,580,215,920,896
  5. Step 5: Solve for x
    x = 2,083,468,580,215,920,896/1,942,162,405.10
  6. Step 6: Final answer
    x = 1,072,757,136.45

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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.