Home / 199,300,666.10-298,950,999.15-147,644,600.90

Finding the Fourth Proportional to 199,300,666.10, 298,950,999.15 and 147,644,600.90

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Solution

The fourth proportional to 199,300,666.10, 298,950,999.15 and 147,644,600.90 is: 221,466,901.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,300,666.10 : 298,950,999.15 = 147,644,600.90 : x
  2. Step 2: Convert to fraction form
    199,300,666.10/298,950,999.15 = 147,644,600.90/x
  3. Step 3: Cross multiply
    199,300,666.10x = 298,950,999.15 × 147,644,600.90
  4. Step 4: Simplify right side
    199,300,666.10x = 44,138,500,958,157,984
  5. Step 5: Solve for x
    x = 44,138,500,958,157,984/199,300,666.10
  6. Step 6: Final answer
    x = 221,466,901.35

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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.