Home / 1,036,998,541.20-1,556,095,008.60-391,229,734.80

Finding the Fourth Proportional to 1,036,998,541.20, 1,556,095,008.60 and 391,229,734.80

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Solution

The fourth proportional to 1,036,998,541.20, 1,556,095,008.60 and 391,229,734.80 is: 587,069,907.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,998,541.20 : 1,556,095,008.60 = 391,229,734.80 : x
  2. Step 2: Convert to fraction form
    1,036,998,541.20/1,556,095,008.60 = 391,229,734.80/x
  3. Step 3: Cross multiply
    1,036,998,541.20x = 1,556,095,008.60 × 391,229,734.80
  4. Step 4: Simplify right side
    1,036,998,541.20x = 608,790,637,538,181,760
  5. Step 5: Solve for x
    x = 608,790,637,538,181,760/1,036,998,541.20
  6. Step 6: Final answer
    x = 587,069,907.38

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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.