Home / 611,789,402.86-917,683,273.23-284,085,721.06

Finding the Fourth Proportional to 611,789,402.86, 917,683,273.23 and 284,085,721.06

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Solution

The fourth proportional to 611,789,402.86, 917,683,273.23 and 284,085,721.06 is: 426,128,195.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,789,402.86 : 917,683,273.23 = 284,085,721.06 : x
  2. Step 2: Convert to fraction form
    611,789,402.86/917,683,273.23 = 284,085,721.06/x
  3. Step 3: Cross multiply
    611,789,402.86x = 917,683,273.23 × 284,085,721.06
  4. Step 4: Simplify right side
    611,789,402.86x = 260,700,714,380,245,568
  5. Step 5: Solve for x
    x = 260,700,714,380,245,568/611,789,402.86
  6. Step 6: Final answer
    x = 426,128,195.69

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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.