Home / 417,121,867.52-625,330,913.62-343,349,288.27

Finding the Fourth Proportional to 417,121,867.52, 625,330,913.62 and 343,349,288.27

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Solution

The fourth proportional to 417,121,867.52, 625,330,913.62 and 343,349,288.27 is: 514,734,279.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,121,867.52 : 625,330,913.62 = 343,349,288.27 : x
  2. Step 2: Convert to fraction form
    417,121,867.52/625,330,913.62 = 343,349,288.27/x
  3. Step 3: Cross multiply
    417,121,867.52x = 625,330,913.62 × 343,349,288.27
  4. Step 4: Simplify right side
    417,121,867.52x = 214,706,924,120,670,784
  5. Step 5: Solve for x
    x = 214,706,924,120,670,784/417,121,867.52
  6. Step 6: Final answer
    x = 514,734,279.93

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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.