Home / 899,789,808.19-1,241,210,067.13-523,404,024.52

Finding the Fourth Proportional to 899,789,808.19, 1,241,210,067.13 and 523,404,024.52

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Solution

The fourth proportional to 899,789,808.19, 1,241,210,067.13 and 523,404,024.52 is: 722,006,782.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,789,808.19 : 1,241,210,067.13 = 523,404,024.52 : x
  2. Step 2: Convert to fraction form
    899,789,808.19/1,241,210,067.13 = 523,404,024.52/x
  3. Step 3: Cross multiply
    899,789,808.19x = 1,241,210,067.13 × 523,404,024.52
  4. Step 4: Simplify right side
    899,789,808.19x = 649,654,344,410,581,376
  5. Step 5: Solve for x
    x = 649,654,344,410,581,376/899,789,808.19
  6. Step 6: Final answer
    x = 722,006,782.58

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1.5x scale

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.