Home / 1,359,877,196.40-2,039,815,794.60-439,846,537.20

Finding the Fourth Proportional to 1,359,877,196.40, 2,039,815,794.60 and 439,846,537.20

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Solution

The fourth proportional to 1,359,877,196.40, 2,039,815,794.60 and 439,846,537.20 is: 659,769,805.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,877,196.40 : 2,039,815,794.60 = 439,846,537.20 : x
  2. Step 2: Convert to fraction form
    1,359,877,196.40/2,039,815,794.60 = 439,846,537.20/x
  3. Step 3: Cross multiply
    1,359,877,196.40x = 2,039,815,794.60 × 439,846,537.20
  4. Step 4: Simplify right side
    1,359,877,196.40x = 897,205,913,780,676,352
  5. Step 5: Solve for x
    x = 897,205,913,780,676,352/1,359,877,196.40
  6. Step 6: Final answer
    x = 659,769,805.80

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Double scale
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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.