Home / 560,820,205.41-840,478,356.54-436,472,982.78

Finding the Fourth Proportional to 560,820,205.41, 840,478,356.54 and 436,472,982.78

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Solution

The fourth proportional to 560,820,205.41, 840,478,356.54 and 436,472,982.78 is: 654,124,248.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,820,205.41 : 840,478,356.54 = 436,472,982.78 : x
  2. Step 2: Convert to fraction form
    560,820,205.41/840,478,356.54 = 436,472,982.78/x
  3. Step 3: Cross multiply
    560,820,205.41x = 840,478,356.54 × 436,472,982.78
  4. Step 4: Simplify right side
    560,820,205.41x = 366,846,095,241,046,080
  5. Step 5: Solve for x
    x = 366,846,095,241,046,080/560,820,205.41
  6. Step 6: Final answer
    x = 654,124,248.20

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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.