Home / 978,241,305.04-1,349,978,871.68-532,207,867.92

Finding the Fourth Proportional to 978,241,305.04, 1,349,978,871.68 and 532,207,867.92

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Solution

The fourth proportional to 978,241,305.04, 1,349,978,871.68 and 532,207,867.92 is: 734,450,051.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,241,305.04 : 1,349,978,871.68 = 532,207,867.92 : x
  2. Step 2: Convert to fraction form
    978,241,305.04/1,349,978,871.68 = 532,207,867.92/x
  3. Step 3: Cross multiply
    978,241,305.04x = 1,349,978,871.68 × 532,207,867.92
  4. Step 4: Simplify right side
    978,241,305.04x = 718,469,377,033,860,096
  5. Step 5: Solve for x
    x = 718,469,377,033,860,096/978,241,305.04
  6. Step 6: Final answer
    x = 734,450,051.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.