Home / 723,517,503.40-1,085,282,815.74-205,947,740.36

Finding the Fourth Proportional to 723,517,503.40, 1,085,282,815.74 and 205,947,740.36

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Solution

The fourth proportional to 723,517,503.40, 1,085,282,815.74 and 205,947,740.36 is: 308,923,478.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,517,503.40 : 1,085,282,815.74 = 205,947,740.36 : x
  2. Step 2: Convert to fraction form
    723,517,503.40/1,085,282,815.74 = 205,947,740.36/x
  3. Step 3: Cross multiply
    723,517,503.40x = 1,085,282,815.74 × 205,947,740.36
  4. Step 4: Simplify right side
    723,517,503.40x = 223,511,543,553,191,264
  5. Step 5: Solve for x
    x = 223,511,543,553,191,264/723,517,503.40
  6. Step 6: Final answer
    x = 308,923,478.01

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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.