Home / 387,414,710.42-534,627,194.71-217,868,897.89

Finding the Fourth Proportional to 387,414,710.42, 534,627,194.71 and 217,868,897.89

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Solution

The fourth proportional to 387,414,710.42, 534,627,194.71 and 217,868,897.89 is: 300,656,207.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,414,710.42 : 534,627,194.71 = 217,868,897.89 : x
  2. Step 2: Convert to fraction form
    387,414,710.42/534,627,194.71 = 217,868,897.89/x
  3. Step 3: Cross multiply
    387,414,710.42x = 534,627,194.71 × 217,868,897.89
  4. Step 4: Simplify right side
    387,414,710.42x = 116,478,637,694,430,768
  5. Step 5: Solve for x
    x = 116,478,637,694,430,768/387,414,710.42
  6. Step 6: Final answer
    x = 300,656,207.84

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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.