Home / 516,470,647.04-712,718,855.52-281,519,273.60

Finding the Fourth Proportional to 516,470,647.04, 712,718,855.52 and 281,519,273.60

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Solution

The fourth proportional to 516,470,647.04, 712,718,855.52 and 281,519,273.60 is: 388,490,799.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,470,647.04 : 712,718,855.52 = 281,519,273.60 : x
  2. Step 2: Convert to fraction form
    516,470,647.04/712,718,855.52 = 281,519,273.60/x
  3. Step 3: Cross multiply
    516,470,647.04x = 712,718,855.52 × 281,519,273.60
  4. Step 4: Simplify right side
    516,470,647.04x = 200,644,094,487,013,760
  5. Step 5: Solve for x
    x = 200,644,094,487,013,760/516,470,647.04
  6. Step 6: Final answer
    x = 388,490,799.31

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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.