Home / 528,536,643.60-792,804,965.40-145,584,195.60

Finding the Fourth Proportional to 528,536,643.60, 792,804,965.40 and 145,584,195.60

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Solution

The fourth proportional to 528,536,643.60, 792,804,965.40 and 145,584,195.60 is: 218,376,293.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,536,643.60 : 792,804,965.40 = 145,584,195.60 : x
  2. Step 2: Convert to fraction form
    528,536,643.60/792,804,965.40 = 145,584,195.60/x
  3. Step 3: Cross multiply
    528,536,643.60x = 792,804,965.40 × 145,584,195.60
  4. Step 4: Simplify right side
    528,536,643.60x = 115,419,873,155,444,832
  5. Step 5: Solve for x
    x = 115,419,873,155,444,832/528,536,643.60
  6. Step 6: Final answer
    x = 218,376,293.40

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Find fourth proportional to 528,536,644.60, 792,804,966.90 and 145,584,196.60
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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.