Home / 618,742,404.64-856,112,933.96-539,522,658.36

Finding the Fourth Proportional to 618,742,404.64, 856,112,933.96 and 539,522,658.36

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Solution

The fourth proportional to 618,742,404.64, 856,112,933.96 and 539,522,658.36 is: 746,501,811.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,742,404.64 : 856,112,933.96 = 539,522,658.36 : x
  2. Step 2: Convert to fraction form
    618,742,404.64/856,112,933.96 = 539,522,658.36/x
  3. Step 3: Cross multiply
    618,742,404.64x = 856,112,933.96 × 539,522,658.36
  4. Step 4: Simplify right side
    618,742,404.64x = 461,892,325,986,478,336
  5. Step 5: Solve for x
    x = 461,892,325,986,478,336/618,742,404.64
  6. Step 6: Final answer
    x = 746,501,811.61

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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.