Home / 358,685,881.38-536,063,604.17-261,845,521.38

Finding the Fourth Proportional to 358,685,881.38, 536,063,604.17 and 261,845,521.38

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Solution

The fourth proportional to 358,685,881.38, 536,063,604.17 and 261,845,521.38 is: 391,333,646.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,685,881.38 : 536,063,604.17 = 261,845,521.38 : x
  2. Step 2: Convert to fraction form
    358,685,881.38/536,063,604.17 = 261,845,521.38/x
  3. Step 3: Cross multiply
    358,685,881.38x = 536,063,604.17 × 261,845,521.38
  4. Step 4: Simplify right side
    358,685,881.38x = 140,365,853,925,426,368
  5. Step 5: Solve for x
    x = 140,365,853,925,426,368/358,685,881.38
  6. Step 6: Final answer
    x = 391,333,646.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.