Home / 6,240,874,821.46-8,612,405,175.45-3,421,422,210.94

Finding the Fourth Proportional to 6,240,874,821.46, 8,612,405,175.45 and 3,421,422,210.94

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Solution

The fourth proportional to 6,240,874,821.46, 8,612,405,175.45 and 3,421,422,210.94 is: 4,721,561,511.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240,874,821.46 : 8,612,405,175.45 = 3,421,422,210.94 : x
  2. Step 2: Convert to fraction form
    6,240,874,821.46/8,612,405,175.45 = 3,421,422,210.94/x
  3. Step 3: Cross multiply
    6,240,874,821.46x = 8,612,405,175.45 × 3,421,422,210.94
  4. Step 4: Simplify right side
    6,240,874,821.46x = 29,466,674,356,899,241,984
  5. Step 5: Solve for x
    x = 29,466,674,356,899,241,984/6,240,874,821.46
  6. Step 6: Final answer
    x = 4,721,561,511.79

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1.5x scale

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.