Home / 918,490,324.18-1,377,740,966.73-228,397,578.16

Finding the Fourth Proportional to 918,490,324.18, 1,377,740,966.73 and 228,397,578.16

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Solution

The fourth proportional to 918,490,324.18, 1,377,740,966.73 and 228,397,578.16 is: 342,597,730.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,490,324.18 : 1,377,740,966.73 = 228,397,578.16 : x
  2. Step 2: Convert to fraction form
    918,490,324.18/1,377,740,966.73 = 228,397,578.16/x
  3. Step 3: Cross multiply
    918,490,324.18x = 1,377,740,966.73 × 228,397,578.16
  4. Step 4: Simplify right side
    918,490,324.18x = 314,672,700,132,949,120
  5. Step 5: Solve for x
    x = 314,672,700,132,949,120/918,490,324.18
  6. Step 6: Final answer
    x = 342,597,730.05

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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.