Home / 258,598,590.15-387,897,885.23-245,844,006.15

Finding the Fourth Proportional to 258,598,590.15, 387,897,885.23 and 245,844,006.15

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Solution

The fourth proportional to 258,598,590.15, 387,897,885.23 and 245,844,006.15 is: 368,766,009.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,598,590.15 : 387,897,885.23 = 245,844,006.15 : x
  2. Step 2: Convert to fraction form
    258,598,590.15/387,897,885.23 = 245,844,006.15/x
  3. Step 3: Cross multiply
    258,598,590.15x = 387,897,885.23 × 245,844,006.15
  4. Step 4: Simplify right side
    258,598,590.15x = 95,362,370,080,826,896
  5. Step 5: Solve for x
    x = 95,362,370,080,826,896/258,598,590.15
  6. Step 6: Final answer
    x = 368,766,009.23

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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.