Home / 664,499,975.40-917,019,586.98-367,149,058.92

Finding the Fourth Proportional to 664,499,975.40, 917,019,586.98 and 367,149,058.92

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Solution

The fourth proportional to 664,499,975.40, 917,019,586.98 and 367,149,058.92 is: 506,671,017.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,499,975.40 : 917,019,586.98 = 367,149,058.92 : x
  2. Step 2: Convert to fraction form
    664,499,975.40/917,019,586.98 = 367,149,058.92/x
  3. Step 3: Cross multiply
    664,499,975.40x = 917,019,586.98 × 367,149,058.92
  4. Step 4: Simplify right side
    664,499,975.40x = 336,682,878,370,914,112
  5. Step 5: Solve for x
    x = 336,682,878,370,914,112/664,499,975.40
  6. Step 6: Final answer
    x = 506,671,017.06

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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.