Home / 541,314,387.18-747,021,020.67-293,798,708.46

Finding the Fourth Proportional to 541,314,387.18, 747,021,020.67 and 293,798,708.46

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Solution

The fourth proportional to 541,314,387.18, 747,021,020.67 and 293,798,708.46 is: 405,446,107.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,314,387.18 : 747,021,020.67 = 293,798,708.46 : x
  2. Step 2: Convert to fraction form
    541,314,387.18/747,021,020.67 = 293,798,708.46/x
  3. Step 3: Cross multiply
    541,314,387.18x = 747,021,020.67 × 293,798,708.46
  4. Step 4: Simplify right side
    541,314,387.18x = 219,473,811,065,316,928
  5. Step 5: Solve for x
    x = 219,473,811,065,316,928/541,314,387.18
  6. Step 6: Final answer
    x = 405,446,107.22

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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.