Home / 360,557,953.18-540,836,088.72-236,841,508.78

Finding the Fourth Proportional to 360,557,953.18, 540,836,088.72 and 236,841,508.78

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Solution

The fourth proportional to 360,557,953.18, 540,836,088.72 and 236,841,508.78 is: 355,261,710.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,557,953.18 : 540,836,088.72 = 236,841,508.78 : x
  2. Step 2: Convert to fraction form
    360,557,953.18/540,836,088.72 = 236,841,508.78/x
  3. Step 3: Cross multiply
    360,557,953.18x = 540,836,088.72 × 236,841,508.78
  4. Step 4: Simplify right side
    360,557,953.18x = 128,092,435,255,118,752
  5. Step 5: Solve for x
    x = 128,092,435,255,118,752/360,557,953.18
  6. Step 6: Final answer
    x = 355,261,710.71

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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.