Home / 1,942,162,409.60-2,913,243,614.40-715,171,428.80

Finding the Fourth Proportional to 1,942,162,409.60, 2,913,243,614.40 and 715,171,428.80

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Solution

The fourth proportional to 1,942,162,409.60, 2,913,243,614.40 and 715,171,428.80 is: 1,072,757,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,162,409.60 : 2,913,243,614.40 = 715,171,428.80 : x
  2. Step 2: Convert to fraction form
    1,942,162,409.60/2,913,243,614.40 = 715,171,428.80/x
  3. Step 3: Cross multiply
    1,942,162,409.60x = 2,913,243,614.40 × 715,171,428.80
  4. Step 4: Simplify right side
    1,942,162,409.60x = 2,083,468,598,152,924,160
  5. Step 5: Solve for x
    x = 2,083,468,598,152,924,160/1,942,162,409.60
  6. Step 6: Final answer
    x = 1,072,757,143.20

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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.