Home / 817,242,194.44-1,127,818,047.18-445,988,140.12

Finding the Fourth Proportional to 817,242,194.44, 1,127,818,047.18 and 445,988,140.12

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Solution

The fourth proportional to 817,242,194.44, 1,127,818,047.18 and 445,988,140.12 is: 615,476,631.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,242,194.44 : 1,127,818,047.18 = 445,988,140.12 : x
  2. Step 2: Convert to fraction form
    817,242,194.44/1,127,818,047.18 = 445,988,140.12/x
  3. Step 3: Cross multiply
    817,242,194.44x = 1,127,818,047.18 × 445,988,140.12
  4. Step 4: Simplify right side
    817,242,194.44x = 502,993,473,255,578,624
  5. Step 5: Solve for x
    x = 502,993,473,255,578,624/817,242,194.44
  6. Step 6: Final answer
    x = 615,476,631.87

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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.