Home / 347,760,370.20-521,640,555.30-245,723,698.20

Finding the Fourth Proportional to 347,760,370.20, 521,640,555.30 and 245,723,698.20

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Solution

The fourth proportional to 347,760,370.20, 521,640,555.30 and 245,723,698.20 is: 368,585,547.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,760,370.20 : 521,640,555.30 = 245,723,698.20 : x
  2. Step 2: Convert to fraction form
    347,760,370.20/521,640,555.30 = 245,723,698.20/x
  3. Step 3: Cross multiply
    347,760,370.20x = 521,640,555.30 × 245,723,698.20
  4. Step 4: Simplify right side
    347,760,370.20x = 128,179,446,379,417,600
  5. Step 5: Solve for x
    x = 128,179,446,379,417,600/347,760,370.20
  6. Step 6: Final answer
    x = 368,585,547.30

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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.