Home / 1,036,253,712.22-1,555,079,962.16-405,907,582.98

Finding the Fourth Proportional to 1,036,253,712.22, 1,555,079,962.16 and 405,907,582.98

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Solution

The fourth proportional to 1,036,253,712.22, 1,555,079,962.16 and 405,907,582.98 is: 609,135,331.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,253,712.22 : 1,555,079,962.16 = 405,907,582.98 : x
  2. Step 2: Convert to fraction form
    1,036,253,712.22/1,555,079,962.16 = 405,907,582.98/x
  3. Step 3: Cross multiply
    1,036,253,712.22x = 1,555,079,962.16 × 405,907,582.98
  4. Step 4: Simplify right side
    1,036,253,712.22x = 631,218,748,780,995,584
  5. Step 5: Solve for x
    x = 631,218,748,780,995,584/1,036,253,712.22
  6. Step 6: Final answer
    x = 609,135,331.76

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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.