Home / 381,980,111.40-572,970,167.10-381,980,111.40

Finding the Fourth Proportional to 381,980,111.40, 572,970,167.10 and 381,980,111.40

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Solution

The fourth proportional to 381,980,111.40, 572,970,167.10 and 381,980,111.40 is: 572,970,167.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,980,111.40 : 572,970,167.10 = 381,980,111.40 : x
  2. Step 2: Convert to fraction form
    381,980,111.40/572,970,167.10 = 381,980,111.40/x
  3. Step 3: Cross multiply
    381,980,111.40x = 572,970,167.10 × 381,980,111.40
  4. Step 4: Simplify right side
    381,980,111.40x = 218,863,208,257,734,624
  5. Step 5: Solve for x
    x = 218,863,208,257,734,624/381,980,111.40
  6. Step 6: Final answer
    x = 572,970,167.10

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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.