Home / 579,823,187.15-800,149,272.18-315,500,626.10

Finding the Fourth Proportional to 579,823,187.15, 800,149,272.18 and 315,500,626.10

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Solution

The fourth proportional to 579,823,187.15, 800,149,272.18 and 315,500,626.10 is: 435,387,204.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,823,187.15 : 800,149,272.18 = 315,500,626.10 : x
  2. Step 2: Convert to fraction form
    579,823,187.15/800,149,272.18 = 315,500,626.10/x
  3. Step 3: Cross multiply
    579,823,187.15x = 800,149,272.18 × 315,500,626.10
  4. Step 4: Simplify right side
    579,823,187.15x = 252,447,596,342,248,576
  5. Step 5: Solve for x
    x = 252,447,596,342,248,576/579,823,187.15
  6. Step 6: Final answer
    x = 435,387,204.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.