Home / 693,376,184.78-956,919,669.62-380,170,933.20

Finding the Fourth Proportional to 693,376,184.78, 956,919,669.62 and 380,170,933.20

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Solution

The fourth proportional to 693,376,184.78, 956,919,669.62 and 380,170,933.20 is: 524,669,078.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,376,184.78 : 956,919,669.62 = 380,170,933.20 : x
  2. Step 2: Convert to fraction form
    693,376,184.78/956,919,669.62 = 380,170,933.20/x
  3. Step 3: Cross multiply
    693,376,184.78x = 956,919,669.62 × 380,170,933.20
  4. Step 4: Simplify right side
    693,376,184.78x = 363,793,043,796,871,104
  5. Step 5: Solve for x
    x = 363,793,043,796,871,104/693,376,184.78
  6. Step 6: Final answer
    x = 524,669,078.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.