Home / 359,227,821.20-538,841,731.80-322,877,256.80

Finding the Fourth Proportional to 359,227,821.20, 538,841,731.80 and 322,877,256.80

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Solution

The fourth proportional to 359,227,821.20, 538,841,731.80 and 322,877,256.80 is: 484,315,885.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,227,821.20 : 538,841,731.80 = 322,877,256.80 : x
  2. Step 2: Convert to fraction form
    359,227,821.20/538,841,731.80 = 322,877,256.80/x
  3. Step 3: Cross multiply
    359,227,821.20x = 538,841,731.80 × 322,877,256.80
  4. Step 4: Simplify right side
    359,227,821.20x = 173,979,740,212,945,312
  5. Step 5: Solve for x
    x = 173,979,740,212,945,312/359,227,821.20
  6. Step 6: Final answer
    x = 484,315,885.20

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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.