Home / 314,929,553.85-472,394,330.78-291,971,302.65

Finding the Fourth Proportional to 314,929,553.85, 472,394,330.78 and 291,971,302.65

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Solution

The fourth proportional to 314,929,553.85, 472,394,330.78 and 291,971,302.65 is: 437,956,953.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,929,553.85 : 472,394,330.78 = 291,971,302.65 : x
  2. Step 2: Convert to fraction form
    314,929,553.85/472,394,330.78 = 291,971,302.65/x
  3. Step 3: Cross multiply
    314,929,553.85x = 472,394,330.78 × 291,971,302.65
  4. Step 4: Simplify right side
    314,929,553.85x = 137,925,588,120,851,712
  5. Step 5: Solve for x
    x = 137,925,588,120,851,712/314,929,553.85
  6. Step 6: Final answer
    x = 437,956,953.98

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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.