Home / 258,974,152.40-388,461,228.60-247,030,216.40

Finding the Fourth Proportional to 258,974,152.40, 388,461,228.60 and 247,030,216.40

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Solution

The fourth proportional to 258,974,152.40, 388,461,228.60 and 247,030,216.40 is: 370,545,324.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,974,152.40 : 388,461,228.60 = 247,030,216.40 : x
  2. Step 2: Convert to fraction form
    258,974,152.40/388,461,228.60 = 247,030,216.40/x
  3. Step 3: Cross multiply
    258,974,152.40x = 388,461,228.60 × 247,030,216.40
  4. Step 4: Simplify right side
    258,974,152.40x = 95,961,661,364,067,872
  5. Step 5: Solve for x
    x = 95,961,661,364,067,872/258,974,152.40
  6. Step 6: Final answer
    x = 370,545,324.60

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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.