Home / 958,786,560.76-1,322,748,990.88-556,831,884.96

Finding the Fourth Proportional to 958,786,560.76, 1,322,748,990.88 and 556,831,884.96

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Solution

The fourth proportional to 958,786,560.76, 1,322,748,990.88 and 556,831,884.96 is: 768,209,363.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,786,560.76 : 1,322,748,990.88 = 556,831,884.96 : x
  2. Step 2: Convert to fraction form
    958,786,560.76/1,322,748,990.88 = 556,831,884.96/x
  3. Step 3: Cross multiply
    958,786,560.76x = 1,322,748,990.88 × 556,831,884.96
  4. Step 4: Simplify right side
    958,786,560.76x = 736,548,813,920,648,320
  5. Step 5: Solve for x
    x = 736,548,813,920,648,320/958,786,560.76
  6. Step 6: Final answer
    x = 768,209,363.86

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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.