Home / 603,614,533.20-905,421,799.80-537,857,566.80

Finding the Fourth Proportional to 603,614,533.20, 905,421,799.80 and 537,857,566.80

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Solution

The fourth proportional to 603,614,533.20, 905,421,799.80 and 537,857,566.80 is: 806,786,350.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,614,533.20 : 905,421,799.80 = 537,857,566.80 : x
  2. Step 2: Convert to fraction form
    603,614,533.20/905,421,799.80 = 537,857,566.80/x
  3. Step 3: Cross multiply
    603,614,533.20x = 905,421,799.80 × 537,857,566.80
  4. Step 4: Simplify right side
    603,614,533.20x = 486,987,966,168,104,640
  5. Step 5: Solve for x
    x = 486,987,966,168,104,640/603,614,533.20
  6. Step 6: Final answer
    x = 806,786,350.20

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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.