Home / 665,796,924.12-918,801,266.94-368,460,802.20

Finding the Fourth Proportional to 665,796,924.12, 918,801,266.94 and 368,460,802.20

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Solution

The fourth proportional to 665,796,924.12, 918,801,266.94 and 368,460,802.20 is: 508,476,743.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,796,924.12 : 918,801,266.94 = 368,460,802.20 : x
  2. Step 2: Convert to fraction form
    665,796,924.12/918,801,266.94 = 368,460,802.20/x
  3. Step 3: Cross multiply
    665,796,924.12x = 918,801,266.94 × 368,460,802.20
  4. Step 4: Simplify right side
    665,796,924.12x = 338,542,251,879,088,768
  5. Step 5: Solve for x
    x = 338,542,251,879,088,768/665,796,924.12
  6. Step 6: Final answer
    x = 508,476,743.61

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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.