Home / 890,049,615.04-1,228,245,199.50-493,571,599.84

Finding the Fourth Proportional to 890,049,615.04, 1,228,245,199.50 and 493,571,599.84

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Solution

The fourth proportional to 890,049,615.04, 1,228,245,199.50 and 493,571,599.84 is: 681,115,903.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,049,615.04 : 1,228,245,199.50 = 493,571,599.84 : x
  2. Step 2: Convert to fraction form
    890,049,615.04/1,228,245,199.50 = 493,571,599.84/x
  3. Step 3: Cross multiply
    890,049,615.04x = 1,228,245,199.50 × 493,571,599.84
  4. Step 4: Simplify right side
    890,049,615.04x = 606,226,948,113,014,912
  5. Step 5: Solve for x
    x = 606,226,948,113,014,912/890,049,615.04
  6. Step 6: Final answer
    x = 681,115,903.96

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Double scale
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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.