Home / 532,238,509.20-798,357,763.80-492,425,389.20

Finding the Fourth Proportional to 532,238,509.20, 798,357,763.80 and 492,425,389.20

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Solution

The fourth proportional to 532,238,509.20, 798,357,763.80 and 492,425,389.20 is: 738,638,083.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,238,509.20 : 798,357,763.80 = 492,425,389.20 : x
  2. Step 2: Convert to fraction form
    532,238,509.20/798,357,763.80 = 492,425,389.20/x
  3. Step 3: Cross multiply
    532,238,509.20x = 798,357,763.80 × 492,425,389.20
  4. Step 4: Simplify right side
    532,238,509.20x = 393,131,632,560,056,640
  5. Step 5: Solve for x
    x = 393,131,632,560,056,640/532,238,509.20
  6. Step 6: Final answer
    x = 738,638,083.80

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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.