Home / 265,718,658.30-398,577,987.45-238,844,802.30

Finding the Fourth Proportional to 265,718,658.30, 398,577,987.45 and 238,844,802.30

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Solution

The fourth proportional to 265,718,658.30, 398,577,987.45 and 238,844,802.30 is: 358,267,203.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,718,658.30 : 398,577,987.45 = 238,844,802.30 : x
  2. Step 2: Convert to fraction form
    265,718,658.30/398,577,987.45 = 238,844,802.30/x
  3. Step 3: Cross multiply
    265,718,658.30x = 398,577,987.45 × 238,844,802.30
  4. Step 4: Simplify right side
    265,718,658.30x = 95,198,280,613,627,136
  5. Step 5: Solve for x
    x = 95,198,280,613,627,136/265,718,658.30
  6. Step 6: Final answer
    x = 358,267,203.45

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.