Home / 899,789,806.19-1,241,210,064.38-523,404,022.52

Finding the Fourth Proportional to 899,789,806.19, 1,241,210,064.38 and 523,404,022.52

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Solution

The fourth proportional to 899,789,806.19, 1,241,210,064.38 and 523,404,022.52 is: 722,006,779.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,789,806.19 : 1,241,210,064.38 = 523,404,022.52 : x
  2. Step 2: Convert to fraction form
    899,789,806.19/1,241,210,064.38 = 523,404,022.52/x
  3. Step 3: Cross multiply
    899,789,806.19x = 1,241,210,064.38 × 523,404,022.52
  4. Step 4: Simplify right side
    899,789,806.19x = 649,654,340,489,286,144
  5. Step 5: Solve for x
    x = 649,654,340,489,286,144/899,789,806.19
  6. Step 6: Final answer
    x = 722,006,779.83

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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.