Home / 1,208,223,882.63-1,667,366,156.16-713,186,591.13

Finding the Fourth Proportional to 1,208,223,882.63, 1,667,366,156.16 and 713,186,591.13

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Solution

The fourth proportional to 1,208,223,882.63, 1,667,366,156.16 and 713,186,591.13 is: 984,207,647.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,223,882.63 : 1,667,366,156.16 = 713,186,591.13 : x
  2. Step 2: Convert to fraction form
    1,208,223,882.63/1,667,366,156.16 = 713,186,591.13/x
  3. Step 3: Cross multiply
    1,208,223,882.63x = 1,667,366,156.16 × 713,186,591.13
  4. Step 4: Simplify right side
    1,208,223,882.63x = 1,189,143,185,077,281,792
  5. Step 5: Solve for x
    x = 1,189,143,185,077,281,792/1,208,223,882.63
  6. Step 6: Final answer
    x = 984,207,647.42

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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.