Home / 579,456,065.40-869,184,098.10-395,790,055.80

Finding the Fourth Proportional to 579,456,065.40, 869,184,098.10 and 395,790,055.80

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Solution

The fourth proportional to 579,456,065.40, 869,184,098.10 and 395,790,055.80 is: 593,685,083.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,456,065.40 : 869,184,098.10 = 395,790,055.80 : x
  2. Step 2: Convert to fraction form
    579,456,065.40/869,184,098.10 = 395,790,055.80/x
  3. Step 3: Cross multiply
    579,456,065.40x = 869,184,098.10 × 395,790,055.80
  4. Step 4: Simplify right side
    579,456,065.40x = 344,014,422,687,471,680
  5. Step 5: Solve for x
    x = 344,014,422,687,471,680/579,456,065.40
  6. Step 6: Final answer
    x = 593,685,083.70

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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.