Home / 436,660,337.20-654,990,505.80-370,903,370.80

Finding the Fourth Proportional to 436,660,337.20, 654,990,505.80 and 370,903,370.80

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Solution

The fourth proportional to 436,660,337.20, 654,990,505.80 and 370,903,370.80 is: 556,355,056.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,660,337.20 : 654,990,505.80 = 370,903,370.80 : x
  2. Step 2: Convert to fraction form
    436,660,337.20/654,990,505.80 = 370,903,370.80/x
  3. Step 3: Cross multiply
    436,660,337.20x = 654,990,505.80 × 370,903,370.80
  4. Step 4: Simplify right side
    436,660,337.20x = 242,938,186,443,216,928
  5. Step 5: Solve for x
    x = 242,938,186,443,216,928/436,660,337.20
  6. Step 6: Final answer
    x = 556,355,056.20

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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.