Home / 426,395,332.51-639,592,925.78-232,469,828.89

Finding the Fourth Proportional to 426,395,332.51, 639,592,925.78 and 232,469,828.89

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Solution

The fourth proportional to 426,395,332.51, 639,592,925.78 and 232,469,828.89 is: 348,704,703.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,395,332.51 : 639,592,925.78 = 232,469,828.89 : x
  2. Step 2: Convert to fraction form
    426,395,332.51/639,592,925.78 = 232,469,828.89/x
  3. Step 3: Cross multiply
    426,395,332.51x = 639,592,925.78 × 232,469,828.89
  4. Step 4: Simplify right side
    426,395,332.51x = 148,686,058,015,331,040
  5. Step 5: Solve for x
    x = 148,686,058,015,331,040/426,395,332.51
  6. Step 6: Final answer
    x = 348,704,703.54

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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.