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Finding the Fourth Proportional to 558,679,922.40, 838,019,883.60 and 558,679,922.40

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Solution

The fourth proportional to 558,679,922.40, 838,019,883.60 and 558,679,922.40 is: 838,019,883.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,679,922.40 : 838,019,883.60 = 558,679,922.40 : x
  2. Step 2: Convert to fraction form
    558,679,922.40/838,019,883.60 = 558,679,922.40/x
  3. Step 3: Cross multiply
    558,679,922.40x = 838,019,883.60 × 558,679,922.40
  4. Step 4: Simplify right side
    558,679,922.40x = 468,184,883,539,305,024
  5. Step 5: Solve for x
    x = 468,184,883,539,305,024/558,679,922.40
  6. Step 6: Final answer
    x = 838,019,883.60

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1.5x scale

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.