Home / 817,242,194.94-1,127,818,047.87-445,988,140.62

Finding the Fourth Proportional to 817,242,194.94, 1,127,818,047.87 and 445,988,140.62

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Solution

The fourth proportional to 817,242,194.94, 1,127,818,047.87 and 445,988,140.62 is: 615,476,632.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,242,194.94 : 1,127,818,047.87 = 445,988,140.62 : x
  2. Step 2: Convert to fraction form
    817,242,194.94/1,127,818,047.87 = 445,988,140.62/x
  3. Step 3: Cross multiply
    817,242,194.94x = 1,127,818,047.87 × 445,988,140.62
  4. Step 4: Simplify right side
    817,242,194.94x = 502,993,474,127,219,392
  5. Step 5: Solve for x
    x = 502,993,474,127,219,392/817,242,194.94
  6. Step 6: Final answer
    x = 615,476,632.56

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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.