Home / 1,730,776,943.62-2,388,593,398.26-978,159,674.90

Finding the Fourth Proportional to 1,730,776,943.62, 2,388,593,398.26 and 978,159,674.90

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Solution

The fourth proportional to 1,730,776,943.62, 2,388,593,398.26 and 978,159,674.90 is: 1,349,928,857.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730,776,943.62 : 2,388,593,398.26 = 978,159,674.90 : x
  2. Step 2: Convert to fraction form
    1,730,776,943.62/2,388,593,398.26 = 978,159,674.90/x
  3. Step 3: Cross multiply
    1,730,776,943.62x = 2,388,593,398.26 × 978,159,674.90
  4. Step 4: Simplify right side
    1,730,776,943.62x = 2,336,425,741,910,287,872
  5. Step 5: Solve for x
    x = 2,336,425,741,910,287,872/1,730,776,943.62
  6. Step 6: Final answer
    x = 1,349,928,857.40

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1.5x scale

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.