Home / 492,034,208.91-679,021,380.05-272,031,806.67

Finding the Fourth Proportional to 492,034,208.91, 679,021,380.05 and 272,031,806.67

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Solution

The fourth proportional to 492,034,208.91, 679,021,380.05 and 272,031,806.67 is: 375,411,728.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,034,208.91 : 679,021,380.05 = 272,031,806.67 : x
  2. Step 2: Convert to fraction form
    492,034,208.91/679,021,380.05 = 272,031,806.67/x
  3. Step 3: Cross multiply
    492,034,208.91x = 679,021,380.05 × 272,031,806.67
  4. Step 4: Simplify right side
    492,034,208.91x = 184,715,412,780,175,104
  5. Step 5: Solve for x
    x = 184,715,412,780,175,104/492,034,208.91
  6. Step 6: Final answer
    x = 375,411,728.36

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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.