Home / 665,000,787.51-917,661,722.34-367,625,294.31

Finding the Fourth Proportional to 665,000,787.51, 917,661,722.34 and 367,625,294.31

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Solution

The fourth proportional to 665,000,787.51, 917,661,722.34 and 367,625,294.31 is: 507,301,144.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,000,787.51 : 917,661,722.34 = 367,625,294.31 : x
  2. Step 2: Convert to fraction form
    665,000,787.51/917,661,722.34 = 367,625,294.31/x
  3. Step 3: Cross multiply
    665,000,787.51x = 917,661,722.34 × 367,625,294.31
  4. Step 4: Simplify right side
    665,000,787.51x = 337,355,660,752,264,000
  5. Step 5: Solve for x
    x = 337,355,660,752,264,000/665,000,787.51
  6. Step 6: Final answer
    x = 507,301,144.73

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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.