Home / 308,683,987,631.42-425,995,399,302.24-185,105,246,775.79

Finding the Fourth Proportional to 308,683,987,631.42, 425,995,399,302.24 and 185,105,246,775.79

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Solution

The fourth proportional to 308,683,987,631.42, 425,995,399,302.24 and 185,105,246,775.79 is: 255,452,134,457.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,683,987,631.42 : 425,995,399,302.24 = 185,105,246,775.79 : x
  2. Step 2: Convert to fraction form
    308,683,987,631.42/425,995,399,302.24 = 185,105,246,775.79/x
  3. Step 3: Cross multiply
    308,683,987,631.42x = 425,995,399,302.24 × 185,105,246,775.79
  4. Step 4: Simplify right side
    308,683,987,631.42x = 78,853,983,513,192,335,147,008
  5. Step 5: Solve for x
    x = 78,853,983,513,192,335,147,008/308,683,987,631.42
  6. Step 6: Final answer
    x = 255,452,134,457.16

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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.