Home / 540,268,694.02-810,483,754.79-171,815,666.46

Finding the Fourth Proportional to 540,268,694.02, 810,483,754.79 and 171,815,666.46

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Solution

The fourth proportional to 540,268,694.02, 810,483,754.79 and 171,815,666.46 is: 257,749,168.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,268,694.02 : 810,483,754.79 = 171,815,666.46 : x
  2. Step 2: Convert to fraction form
    540,268,694.02/810,483,754.79 = 171,815,666.46/x
  3. Step 3: Cross multiply
    540,268,694.02x = 810,483,754.79 × 171,815,666.46
  4. Step 4: Simplify right side
    540,268,694.02x = 139,253,806,487,895,152
  5. Step 5: Solve for x
    x = 139,253,806,487,895,152/540,268,694.02
  6. Step 6: Final answer
    x = 257,749,168.20

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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.