Home / 579,413,831.60-869,274,712.20-251,748,743.60

Finding the Fourth Proportional to 579,413,831.60, 869,274,712.20 and 251,748,743.60

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Solution

The fourth proportional to 579,413,831.60, 869,274,712.20 and 251,748,743.60 is: 377,690,011.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,413,831.60 : 869,274,712.20 = 251,748,743.60 : x
  2. Step 2: Convert to fraction form
    579,413,831.60/869,274,712.20 = 251,748,743.60/x
  3. Step 3: Cross multiply
    579,413,831.60x = 869,274,712.20 × 251,748,743.60
  4. Step 4: Simplify right side
    579,413,831.60x = 218,838,816,639,601,600
  5. Step 5: Solve for x
    x = 218,838,816,639,601,600/579,413,831.60
  6. Step 6: Final answer
    x = 377,690,011.36

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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.