Home / 381,943,264.07-572,507,015.14-217,827,640.26

Finding the Fourth Proportional to 381,943,264.07, 572,507,015.14 and 217,827,640.26

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Solution

The fourth proportional to 381,943,264.07, 572,507,015.14 and 217,827,640.26 is: 326,508,840.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,943,264.07 : 572,507,015.14 = 217,827,640.26 : x
  2. Step 2: Convert to fraction form
    381,943,264.07/572,507,015.14 = 217,827,640.26/x
  3. Step 3: Cross multiply
    381,943,264.07x = 572,507,015.14 × 217,827,640.26
  4. Step 4: Simplify right side
    381,943,264.07x = 124,707,852,140,514,576
  5. Step 5: Solve for x
    x = 124,707,852,140,514,576/381,943,264.07
  6. Step 6: Final answer
    x = 326,508,840.11

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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.