Home / 906,618,779.60-1,359,592,246.20-293,223,016.40

Finding the Fourth Proportional to 906,618,779.60, 1,359,592,246.20 and 293,223,016.40

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Solution

The fourth proportional to 906,618,779.60, 1,359,592,246.20 and 293,223,016.40 is: 439,725,878.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,618,779.60 : 1,359,592,246.20 = 293,223,016.40 : x
  2. Step 2: Convert to fraction form
    906,618,779.60/1,359,592,246.20 = 293,223,016.40/x
  3. Step 3: Cross multiply
    906,618,779.60x = 1,359,592,246.20 × 293,223,016.40
  4. Step 4: Simplify right side
    906,618,779.60x = 398,663,739,504,815,424
  5. Step 5: Solve for x
    x = 398,663,739,504,815,424/906,618,779.60
  6. Step 6: Final answer
    x = 439,725,878.70

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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.