Home / 432,742,666.25-647,562,387.07-374,650,161.64

Finding the Fourth Proportional to 432,742,666.25, 647,562,387.07 and 374,650,161.64

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Solution

The fourth proportional to 432,742,666.25, 647,562,387.07 and 374,650,161.64 is: 560,631,922.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,742,666.25 : 647,562,387.07 = 374,650,161.64 : x
  2. Step 2: Convert to fraction form
    432,742,666.25/647,562,387.07 = 374,650,161.64/x
  3. Step 3: Cross multiply
    432,742,666.25x = 647,562,387.07 × 374,650,161.64
  4. Step 4: Simplify right side
    432,742,666.25x = 242,609,352,986,609,120
  5. Step 5: Solve for x
    x = 242,609,352,986,609,120/432,742,666.25
  6. Step 6: Final answer
    x = 560,631,922.63

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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.