Home / 904,990,513.20-1,357,485,769.80-359,732,047.20

Finding the Fourth Proportional to 904,990,513.20, 1,357,485,769.80 and 359,732,047.20

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Solution

The fourth proportional to 904,990,513.20, 1,357,485,769.80 and 359,732,047.20 is: 539,598,070.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,990,513.20 : 1,357,485,769.80 = 359,732,047.20 : x
  2. Step 2: Convert to fraction form
    904,990,513.20/1,357,485,769.80 = 359,732,047.20/x
  3. Step 3: Cross multiply
    904,990,513.20x = 1,357,485,769.80 × 359,732,047.20
  4. Step 4: Simplify right side
    904,990,513.20x = 488,331,135,015,021,888
  5. Step 5: Solve for x
    x = 488,331,135,015,021,888/904,990,513.20
  6. Step 6: Final answer
    x = 539,598,070.80

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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.