Home / 360,272,909.51-497,172,939.39-201,502,653.46

Finding the Fourth Proportional to 360,272,909.51, 497,172,939.39 and 201,502,653.46

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Solution

The fourth proportional to 360,272,909.51, 497,172,939.39 and 201,502,653.46 is: 278,071,605.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,272,909.51 : 497,172,939.39 = 201,502,653.46 : x
  2. Step 2: Convert to fraction form
    360,272,909.51/497,172,939.39 = 201,502,653.46/x
  3. Step 3: Cross multiply
    360,272,909.51x = 497,172,939.39 × 201,502,653.46
  4. Step 4: Simplify right side
    360,272,909.51x = 100,181,666,514,349,824
  5. Step 5: Solve for x
    x = 100,181,666,514,349,824/360,272,909.51
  6. Step 6: Final answer
    x = 278,071,605.91

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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.