Home / 823,133,720.16-1,135,895,144.04-465,893,831.16

Finding the Fourth Proportional to 823,133,720.16, 1,135,895,144.04 and 465,893,831.16

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Solution

The fourth proportional to 823,133,720.16, 1,135,895,144.04 and 465,893,831.16 is: 642,916,852.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,133,720.16 : 1,135,895,144.04 = 465,893,831.16 : x
  2. Step 2: Convert to fraction form
    823,133,720.16/1,135,895,144.04 = 465,893,831.16/x
  3. Step 3: Cross multiply
    823,133,720.16x = 1,135,895,144.04 × 465,893,831.16
  4. Step 4: Simplify right side
    823,133,720.16x = 529,206,540,452,835,648
  5. Step 5: Solve for x
    x = 529,206,540,452,835,648/823,133,720.16
  6. Step 6: Final answer
    x = 642,916,852.38

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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.