Home / 472,922,364.78-652,619,773.17-261,225,401.22

Finding the Fourth Proportional to 472,922,364.78, 652,619,773.17 and 261,225,401.22

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Solution

The fourth proportional to 472,922,364.78, 652,619,773.17 and 261,225,401.22 is: 360,483,823.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,922,364.78 : 652,619,773.17 = 261,225,401.22 : x
  2. Step 2: Convert to fraction form
    472,922,364.78/652,619,773.17 = 261,225,401.22/x
  3. Step 3: Cross multiply
    472,922,364.78x = 652,619,773.17 × 261,225,401.22
  4. Step 4: Simplify right side
    472,922,364.78x = 170,480,862,090,438,624
  5. Step 5: Solve for x
    x = 170,480,862,090,438,624/472,922,364.78
  6. Step 6: Final answer
    x = 360,483,823.11

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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.