Home / 387,426,696.66-534,346,514.01-248,210,412.30

Finding the Fourth Proportional to 387,426,696.66, 534,346,514.01 and 248,210,412.30

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Solution

The fourth proportional to 387,426,696.66, 534,346,514.01 and 248,210,412.30 is: 342,336,678.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,426,696.66 : 534,346,514.01 = 248,210,412.30 : x
  2. Step 2: Convert to fraction form
    387,426,696.66/534,346,514.01 = 248,210,412.30/x
  3. Step 3: Cross multiply
    387,426,696.66x = 534,346,514.01 × 248,210,412.30
  4. Step 4: Simplify right side
    387,426,696.66x = 132,630,368,553,489,824
  5. Step 5: Solve for x
    x = 132,630,368,553,489,824/387,426,696.66
  6. Step 6: Final answer
    x = 342,336,678.65

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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.