Home / 899,789,807.19-1,241,210,065.75-523,404,023.52

Finding the Fourth Proportional to 899,789,807.19, 1,241,210,065.75 and 523,404,023.52

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Solution

The fourth proportional to 899,789,807.19, 1,241,210,065.75 and 523,404,023.52 is: 722,006,781.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,789,807.19 : 1,241,210,065.75 = 523,404,023.52 : x
  2. Step 2: Convert to fraction form
    899,789,807.19/1,241,210,065.75 = 523,404,023.52/x
  3. Step 3: Cross multiply
    899,789,807.19x = 1,241,210,065.75 × 523,404,023.52
  4. Step 4: Simplify right side
    899,789,807.19x = 649,654,342,447,073,664
  5. Step 5: Solve for x
    x = 649,654,342,447,073,664/899,789,807.19
  6. Step 6: Final answer
    x = 722,006,781.20

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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.