Home / 918,490,262.15-1,377,740,873.69-228,397,516.22

Finding the Fourth Proportional to 918,490,262.15, 1,377,740,873.69 and 228,397,516.22

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Solution

The fourth proportional to 918,490,262.15, 1,377,740,873.69 and 228,397,516.22 is: 342,597,637.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,490,262.15 : 1,377,740,873.69 = 228,397,516.22 : x
  2. Step 2: Convert to fraction form
    918,490,262.15/1,377,740,873.69 = 228,397,516.22/x
  3. Step 3: Cross multiply
    918,490,262.15x = 1,377,740,873.69 × 228,397,516.22
  4. Step 4: Simplify right side
    918,490,262.15x = 314,672,593,548,739,008
  5. Step 5: Solve for x
    x = 314,672,593,548,739,008/918,490,262.15
  6. Step 6: Final answer
    x = 342,597,637.14

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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.