Home / 909,374,378.04-1,364,052,473.06-287,589,715.97

Finding the Fourth Proportional to 909,374,378.04, 1,364,052,473.06 and 287,589,715.97

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Solution

The fourth proportional to 909,374,378.04, 1,364,052,473.06 and 287,589,715.97 is: 431,381,697.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,374,378.04 : 1,364,052,473.06 = 287,589,715.97 : x
  2. Step 2: Convert to fraction form
    909,374,378.04/1,364,052,473.06 = 287,589,715.97/x
  3. Step 3: Cross multiply
    909,374,378.04x = 1,364,052,473.06 × 287,589,715.97
  4. Step 4: Simplify right side
    909,374,378.04x = 392,287,463,287,243,264
  5. Step 5: Solve for x
    x = 392,287,463,287,243,264/909,374,378.04
  6. Step 6: Final answer
    x = 431,381,697.97

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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.