Home / 347,641,007.40-521,461,511.10-218,339,443.80

Finding the Fourth Proportional to 347,641,007.40, 521,461,511.10 and 218,339,443.80

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Solution

The fourth proportional to 347,641,007.40, 521,461,511.10 and 218,339,443.80 is: 327,509,165.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,641,007.40 : 521,461,511.10 = 218,339,443.80 : x
  2. Step 2: Convert to fraction form
    347,641,007.40/521,461,511.10 = 218,339,443.80/x
  3. Step 3: Cross multiply
    347,641,007.40x = 521,461,511.10 × 218,339,443.80
  4. Step 4: Simplify right side
    347,641,007.40x = 113,855,616,296,681,536
  5. Step 5: Solve for x
    x = 113,855,616,296,681,536/347,641,007.40
  6. Step 6: Final answer
    x = 327,509,165.70

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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.