Home / 528,536,584.60-792,804,876.90-145,584,136.60

Finding the Fourth Proportional to 528,536,584.60, 792,804,876.90 and 145,584,136.60

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Solution

The fourth proportional to 528,536,584.60, 792,804,876.90 and 145,584,136.60 is: 218,376,204.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,536,584.60 : 792,804,876.90 = 145,584,136.60 : x
  2. Step 2: Convert to fraction form
    528,536,584.60/792,804,876.90 = 145,584,136.60/x
  3. Step 3: Cross multiply
    528,536,584.60x = 792,804,876.90 × 145,584,136.60
  4. Step 4: Simplify right side
    528,536,584.60x = 115,419,813,495,755,776
  5. Step 5: Solve for x
    x = 115,419,813,495,755,776/528,536,584.60
  6. Step 6: Final answer
    x = 218,376,204.90

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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.