Home / 661,844,738.19-992,898,023.63-189,148,022.28

Finding the Fourth Proportional to 661,844,738.19, 992,898,023.63 and 189,148,022.28

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Solution

The fourth proportional to 661,844,738.19, 992,898,023.63 and 189,148,022.28 is: 283,759,447.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,844,738.19 : 992,898,023.63 = 189,148,022.28 : x
  2. Step 2: Convert to fraction form
    661,844,738.19/992,898,023.63 = 189,148,022.28/x
  3. Step 3: Cross multiply
    661,844,738.19x = 992,898,023.63 × 189,148,022.28
  4. Step 4: Simplify right side
    661,844,738.19x = 187,804,697,495,335,200
  5. Step 5: Solve for x
    x = 187,804,697,495,335,200/661,844,738.19
  6. Step 6: Final answer
    x = 283,759,447.89

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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.