Home / 352,272,001.70-528,408,002.55-320,527,259.30

Finding the Fourth Proportional to 352,272,001.70, 528,408,002.55 and 320,527,259.30

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Solution

The fourth proportional to 352,272,001.70, 528,408,002.55 and 320,527,259.30 is: 480,790,888.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,272,001.70 : 528,408,002.55 = 320,527,259.30 : x
  2. Step 2: Convert to fraction form
    352,272,001.70/528,408,002.55 = 320,527,259.30/x
  3. Step 3: Cross multiply
    352,272,001.70x = 528,408,002.55 × 320,527,259.30
  4. Step 4: Simplify right side
    352,272,001.70x = 169,369,168,849,538,912
  5. Step 5: Solve for x
    x = 169,369,168,849,538,912/352,272,001.70
  6. Step 6: Final answer
    x = 480,790,888.95

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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.