Home / 842,008,461.72-1,161,842,589.88-484,707,172.52

Finding the Fourth Proportional to 842,008,461.72, 1,161,842,589.88 and 484,707,172.52

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Solution

The fourth proportional to 842,008,461.72, 1,161,842,589.88 and 484,707,172.52 is: 668,821,588.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,008,461.72 : 1,161,842,589.88 = 484,707,172.52 : x
  2. Step 2: Convert to fraction form
    842,008,461.72/1,161,842,589.88 = 484,707,172.52/x
  3. Step 3: Cross multiply
    842,008,461.72x = 1,161,842,589.88 × 484,707,172.52
  4. Step 4: Simplify right side
    842,008,461.72x = 563,153,436,654,048,768
  5. Step 5: Solve for x
    x = 563,153,436,654,048,768/842,008,461.72
  6. Step 6: Final answer
    x = 668,821,588.21

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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.