Home / 487,206,303.50-730,517,603.44-155,069,846.68

Finding the Fourth Proportional to 487,206,303.50, 730,517,603.44 and 155,069,846.68

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Solution

The fourth proportional to 487,206,303.50, 730,517,603.44 and 155,069,846.68 is: 232,511,878.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,206,303.50 : 730,517,603.44 = 155,069,846.68 : x
  2. Step 2: Convert to fraction form
    487,206,303.50/730,517,603.44 = 155,069,846.68/x
  3. Step 3: Cross multiply
    487,206,303.50x = 730,517,603.44 × 155,069,846.68
  4. Step 4: Simplify right side
    487,206,303.50x = 113,281,252,759,769,920
  5. Step 5: Solve for x
    x = 113,281,252,759,769,920/487,206,303.50
  6. Step 6: Final answer
    x = 232,511,878.33

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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.