Home / 486,052,929.72-670,750,598.70-263,034,450.36

Finding the Fourth Proportional to 486,052,929.72, 670,750,598.70 and 263,034,450.36

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Solution

The fourth proportional to 486,052,929.72, 670,750,598.70 and 263,034,450.36 is: 362,986,218.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,052,929.72 : 670,750,598.70 = 263,034,450.36 : x
  2. Step 2: Convert to fraction form
    486,052,929.72/670,750,598.70 = 263,034,450.36/x
  3. Step 3: Cross multiply
    486,052,929.72x = 670,750,598.70 × 263,034,450.36
  4. Step 4: Simplify right side
    486,052,929.72x = 176,430,515,057,695,456
  5. Step 5: Solve for x
    x = 176,430,515,057,695,456/486,052,929.72
  6. Step 6: Final answer
    x = 362,986,218.72

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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.