Home / 1,323,080,233.86-1,984,675,121.48-390,403,063.29

Finding the Fourth Proportional to 1,323,080,233.86, 1,984,675,121.48 and 390,403,063.29

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Solution

The fourth proportional to 1,323,080,233.86, 1,984,675,121.48 and 390,403,063.29 is: 585,620,756.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,080,233.86 : 1,984,675,121.48 = 390,403,063.29 : x
  2. Step 2: Convert to fraction form
    1,323,080,233.86/1,984,675,121.48 = 390,403,063.29/x
  3. Step 3: Cross multiply
    1,323,080,233.86x = 1,984,675,121.48 × 390,403,063.29
  4. Step 4: Simplify right side
    1,323,080,233.86x = 774,823,247,061,244,928
  5. Step 5: Solve for x
    x = 774,823,247,061,244,928/1,323,080,233.86
  6. Step 6: Final answer
    x = 585,620,756.20

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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.