Home / 1,036,253,717.86-1,555,079,970.60-405,907,588.62

Finding the Fourth Proportional to 1,036,253,717.86, 1,555,079,970.60 and 405,907,588.62

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Solution

The fourth proportional to 1,036,253,717.86, 1,555,079,970.60 and 405,907,588.62 is: 609,135,340.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,253,717.86 : 1,555,079,970.60 = 405,907,588.62 : x
  2. Step 2: Convert to fraction form
    1,036,253,717.86/1,555,079,970.60 = 405,907,588.62/x
  3. Step 3: Cross multiply
    1,036,253,717.86x = 1,555,079,970.60 × 405,907,588.62
  4. Step 4: Simplify right side
    1,036,253,717.86x = 631,218,760,977,506,432
  5. Step 5: Solve for x
    x = 631,218,760,977,506,432/1,036,253,717.86
  6. Step 6: Final answer
    x = 609,135,340.21

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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.