Home / 3,709,359,240.80-5,564,038,861.20-1,989,432,456.80

Finding the Fourth Proportional to 3,709,359,240.80, 5,564,038,861.20 and 1,989,432,456.80

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Solution

The fourth proportional to 3,709,359,240.80, 5,564,038,861.20 and 1,989,432,456.80 is: 2,984,148,685.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709,359,240.80 : 5,564,038,861.20 = 1,989,432,456.80 : x
  2. Step 2: Convert to fraction form
    3,709,359,240.80/5,564,038,861.20 = 1,989,432,456.80/x
  3. Step 3: Cross multiply
    3,709,359,240.80x = 5,564,038,861.20 × 1,989,432,456.80
  4. Step 4: Simplify right side
    3,709,359,240.80x = 11,069,279,501,367,789,568
  5. Step 5: Solve for x
    x = 11,069,279,501,367,789,568/3,709,359,240.80
  6. Step 6: Final answer
    x = 2,984,148,685.20

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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.