Home / 258,931,380.40-388,397,070.60-246,987,444.40

Finding the Fourth Proportional to 258,931,380.40, 388,397,070.60 and 246,987,444.40

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Solution

The fourth proportional to 258,931,380.40, 388,397,070.60 and 246,987,444.40 is: 370,481,166.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,931,380.40 : 388,397,070.60 = 246,987,444.40 : x
  2. Step 2: Convert to fraction form
    258,931,380.40/388,397,070.60 = 246,987,444.40/x
  3. Step 3: Cross multiply
    258,931,380.40x = 388,397,070.60 × 246,987,444.40
  4. Step 4: Simplify right side
    258,931,380.40x = 95,929,199,879,940,384
  5. Step 5: Solve for x
    x = 95,929,199,879,940,384/258,931,380.40
  6. Step 6: Final answer
    x = 370,481,166.60

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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.