Home / 399,403,332.40-599,104,998.60-384,097,831.60

Finding the Fourth Proportional to 399,403,332.40, 599,104,998.60 and 384,097,831.60

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Solution

The fourth proportional to 399,403,332.40, 599,104,998.60 and 384,097,831.60 is: 576,146,747.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,403,332.40 : 599,104,998.60 = 384,097,831.60 : x
  2. Step 2: Convert to fraction form
    399,403,332.40/599,104,998.60 = 384,097,831.60/x
  3. Step 3: Cross multiply
    399,403,332.40x = 599,104,998.60 × 384,097,831.60
  4. Step 4: Simplify right side
    399,403,332.40x = 230,114,930,862,981,056
  5. Step 5: Solve for x
    x = 230,114,930,862,981,056/399,403,332.40
  6. Step 6: Final answer
    x = 576,146,747.40

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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.