Home / 560,819,754.20-840,477,678.96-436,472,530.76

Finding the Fourth Proportional to 560,819,754.20, 840,477,678.96 and 436,472,530.76

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Solution

The fourth proportional to 560,819,754.20, 840,477,678.96 and 436,472,530.76 is: 654,123,569.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,819,754.20 : 840,477,678.96 = 436,472,530.76 : x
  2. Step 2: Convert to fraction form
    560,819,754.20/840,477,678.96 = 436,472,530.76/x
  3. Step 3: Cross multiply
    560,819,754.20x = 840,477,678.96 × 436,472,530.76
  4. Step 4: Simplify right side
    560,819,754.20x = 366,845,419,582,961,984
  5. Step 5: Solve for x
    x = 366,845,419,582,961,984/560,819,754.20
  6. Step 6: Final answer
    x = 654,123,569.71

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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.