Home / 705,028,312.40-1,057,542,468.60-568,979,416.40

Finding the Fourth Proportional to 705,028,312.40, 1,057,542,468.60 and 568,979,416.40

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Solution

The fourth proportional to 705,028,312.40, 1,057,542,468.60 and 568,979,416.40 is: 853,469,124.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,028,312.40 : 1,057,542,468.60 = 568,979,416.40 : x
  2. Step 2: Convert to fraction form
    705,028,312.40/1,057,542,468.60 = 568,979,416.40/x
  3. Step 3: Cross multiply
    705,028,312.40x = 1,057,542,468.60 × 568,979,416.40
  4. Step 4: Simplify right side
    705,028,312.40x = 601,719,896,602,243,328
  5. Step 5: Solve for x
    x = 601,719,896,602,243,328/705,028,312.40
  6. Step 6: Final answer
    x = 853,469,124.60

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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.