Home / 618,600,021.60-927,900,032.40-414,756,847.20

Finding the Fourth Proportional to 618,600,021.60, 927,900,032.40 and 414,756,847.20

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Solution

The fourth proportional to 618,600,021.60, 927,900,032.40 and 414,756,847.20 is: 622,135,270.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,600,021.60 : 927,900,032.40 = 414,756,847.20 : x
  2. Step 2: Convert to fraction form
    618,600,021.60/927,900,032.40 = 414,756,847.20/x
  3. Step 3: Cross multiply
    618,600,021.60x = 927,900,032.40 × 414,756,847.20
  4. Step 4: Simplify right side
    618,600,021.60x = 384,852,891,955,001,856
  5. Step 5: Solve for x
    x = 384,852,891,955,001,856/618,600,021.60
  6. Step 6: Final answer
    x = 622,135,270.80

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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.