Home / 509,970,592.95-765,144,846.23-203,482,663.35

Finding the Fourth Proportional to 509,970,592.95, 765,144,846.23 and 203,482,663.35

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Solution

The fourth proportional to 509,970,592.95, 765,144,846.23 and 203,482,663.35 is: 305,299,390.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,970,592.95 : 765,144,846.23 = 203,482,663.35 : x
  2. Step 2: Convert to fraction form
    509,970,592.95/765,144,846.23 = 203,482,663.35/x
  3. Step 3: Cross multiply
    509,970,592.95x = 765,144,846.23 × 203,482,663.35
  4. Step 4: Simplify right side
    509,970,592.95x = 155,693,711,158,389,184
  5. Step 5: Solve for x
    x = 155,693,711,158,389,184/509,970,592.95
  6. Step 6: Final answer
    x = 305,299,390.42

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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.