Home / 571,333,682.91-787,643,480.19-383,195,597.28

Finding the Fourth Proportional to 571,333,682.91, 787,643,480.19 and 383,195,597.28

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Solution

The fourth proportional to 571,333,682.91, 787,643,480.19 and 383,195,597.28 is: 528,275,371.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,333,682.91 : 787,643,480.19 = 383,195,597.28 : x
  2. Step 2: Convert to fraction form
    571,333,682.91/787,643,480.19 = 383,195,597.28/x
  3. Step 3: Cross multiply
    571,333,682.91x = 787,643,480.19 × 383,195,597.28
  4. Step 4: Simplify right side
    571,333,682.91x = 301,821,513,835,104,896
  5. Step 5: Solve for x
    x = 301,821,513,835,104,896/571,333,682.91
  6. Step 6: Final answer
    x = 528,275,371.93

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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.