Home / 538,841,711.70-808,262,567.55-345,131,467.20

Finding the Fourth Proportional to 538,841,711.70, 808,262,567.55 and 345,131,467.20

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Solution

The fourth proportional to 538,841,711.70, 808,262,567.55 and 345,131,467.20 is: 517,697,200.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,841,711.70 : 808,262,567.55 = 345,131,467.20 : x
  2. Step 2: Convert to fraction form
    538,841,711.70/808,262,567.55 = 345,131,467.20/x
  3. Step 3: Cross multiply
    538,841,711.70x = 808,262,567.55 × 345,131,467.20
  4. Step 4: Simplify right side
    538,841,711.70x = 278,956,845,821,370,592
  5. Step 5: Solve for x
    x = 278,956,845,821,370,592/538,841,711.70
  6. Step 6: Final answer
    x = 517,697,200.80

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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.