Home / 904,990,549.20-1,357,485,823.80-359,732,083.20

Finding the Fourth Proportional to 904,990,549.20, 1,357,485,823.80 and 359,732,083.20

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Solution

The fourth proportional to 904,990,549.20, 1,357,485,823.80 and 359,732,083.20 is: 539,598,124.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,990,549.20 : 1,357,485,823.80 = 359,732,083.20 : x
  2. Step 2: Convert to fraction form
    904,990,549.20/1,357,485,823.80 = 359,732,083.20/x
  3. Step 3: Cross multiply
    904,990,549.20x = 1,357,485,823.80 × 359,732,083.20
  4. Step 4: Simplify right side
    904,990,549.20x = 488,331,203,310,042,112
  5. Step 5: Solve for x
    x = 488,331,203,310,042,112/904,990,549.20
  6. Step 6: Final answer
    x = 539,598,124.80

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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.