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Finding the Fourth Proportional to 618,995,897.70, 928,493,846.55 and 595,187,340.90

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Solution

The fourth proportional to 618,995,897.70, 928,493,846.55 and 595,187,340.90 is: 892,781,011.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,995,897.70 : 928,493,846.55 = 595,187,340.90 : x
  2. Step 2: Convert to fraction form
    618,995,897.70/928,493,846.55 = 595,187,340.90/x
  3. Step 3: Cross multiply
    618,995,897.70x = 928,493,846.55 × 595,187,340.90
  4. Step 4: Simplify right side
    618,995,897.70x = 552,627,783,570,107,072
  5. Step 5: Solve for x
    x = 552,627,783,570,107,072/618,995,897.70
  6. Step 6: Final answer
    x = 892,781,011.35

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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.