Home / 559,514,111.97-772,131,875.01-305,201,010.69

Finding the Fourth Proportional to 559,514,111.97, 772,131,875.01 and 305,201,010.69

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Solution

The fourth proportional to 559,514,111.97, 772,131,875.01 and 305,201,010.69 is: 421,178,704.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,514,111.97 : 772,131,875.01 = 305,201,010.69 : x
  2. Step 2: Convert to fraction form
    559,514,111.97/772,131,875.01 = 305,201,010.69/x
  3. Step 3: Cross multiply
    559,514,111.97x = 772,131,875.01 × 305,201,010.69
  4. Step 4: Simplify right side
    559,514,111.97x = 235,655,428,639,016,736
  5. Step 5: Solve for x
    x = 235,655,428,639,016,736/559,514,111.97
  6. Step 6: Final answer
    x = 421,178,704.16

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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.