Home / 342,360,750.71-472,417,977.78-191,661,658.53

Finding the Fourth Proportional to 342,360,750.71, 472,417,977.78 and 191,661,658.53

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Solution

The fourth proportional to 342,360,750.71, 472,417,977.78 and 191,661,658.53 is: 264,470,775.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,360,750.71 : 472,417,977.78 = 191,661,658.53 : x
  2. Step 2: Convert to fraction form
    342,360,750.71/472,417,977.78 = 191,661,658.53/x
  3. Step 3: Cross multiply
    342,360,750.71x = 472,417,977.78 × 191,661,658.53
  4. Step 4: Simplify right side
    342,360,750.71x = 90,544,413,140,703,488
  5. Step 5: Solve for x
    x = 90,544,413,140,703,488/342,360,750.71
  6. Step 6: Final answer
    x = 264,470,775.21

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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.