Home / 544,491,314.40-816,736,971.60-180,938,431.20

Finding the Fourth Proportional to 544,491,314.40, 816,736,971.60 and 180,938,431.20

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Solution

The fourth proportional to 544,491,314.40, 816,736,971.60 and 180,938,431.20 is: 271,407,646.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,491,314.40 : 816,736,971.60 = 180,938,431.20 : x
  2. Step 2: Convert to fraction form
    544,491,314.40/816,736,971.60 = 180,938,431.20/x
  3. Step 3: Cross multiply
    544,491,314.40x = 816,736,971.60 × 180,938,431.20
  4. Step 4: Simplify right side
    544,491,314.40x = 147,779,106,344,342,944
  5. Step 5: Solve for x
    x = 147,779,106,344,342,944/544,491,314.40
  6. Step 6: Final answer
    x = 271,407,646.80

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Double scale
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Similar ratio
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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.