Home / 264,283,400.70-396,425,101.05-209,863,842.30

Finding the Fourth Proportional to 264,283,400.70, 396,425,101.05 and 209,863,842.30

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Solution

The fourth proportional to 264,283,400.70, 396,425,101.05 and 209,863,842.30 is: 314,795,763.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,283,400.70 : 396,425,101.05 = 209,863,842.30 : x
  2. Step 2: Convert to fraction form
    264,283,400.70/396,425,101.05 = 209,863,842.30/x
  3. Step 3: Cross multiply
    264,283,400.70x = 396,425,101.05 × 209,863,842.30
  4. Step 4: Simplify right side
    264,283,400.70x = 83,195,294,890,518,768
  5. Step 5: Solve for x
    x = 83,195,294,890,518,768/264,283,400.70
  6. Step 6: Final answer
    x = 314,795,763.45

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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.