Home / 371,654,668.61-512,738,289.64-212,799,900.63

Finding the Fourth Proportional to 371,654,668.61, 512,738,289.64 and 212,799,900.63

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Solution

The fourth proportional to 371,654,668.61, 512,738,289.64 and 212,799,900.63 is: 293,580,751.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,654,668.61 : 512,738,289.64 = 212,799,900.63 : x
  2. Step 2: Convert to fraction form
    371,654,668.61/512,738,289.64 = 212,799,900.63/x
  3. Step 3: Cross multiply
    371,654,668.61x = 512,738,289.64 × 212,799,900.63
  4. Step 4: Simplify right side
    371,654,668.61x = 109,110,657,084,588,160
  5. Step 5: Solve for x
    x = 109,110,657,084,588,160/371,654,668.61
  6. Step 6: Final answer
    x = 293,580,751.97

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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.