Home / 1,942,162,401.60-2,913,243,602.40-715,171,420.80

Finding the Fourth Proportional to 1,942,162,401.60, 2,913,243,602.40 and 715,171,420.80

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Solution

The fourth proportional to 1,942,162,401.60, 2,913,243,602.40 and 715,171,420.80 is: 1,072,757,131.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,162,401.60 : 2,913,243,602.40 = 715,171,420.80 : x
  2. Step 2: Convert to fraction form
    1,942,162,401.60/2,913,243,602.40 = 715,171,420.80/x
  3. Step 3: Cross multiply
    1,942,162,401.60x = 2,913,243,602.40 × 715,171,420.80
  4. Step 4: Simplify right side
    1,942,162,401.60x = 2,083,468,566,264,918,272
  5. Step 5: Solve for x
    x = 2,083,468,566,264,918,272/1,942,162,401.60
  6. Step 6: Final answer
    x = 1,072,757,131.20

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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.