Home / 655,835,527.50-905,052,260.97-358,479,722.58

Finding the Fourth Proportional to 655,835,527.50, 905,052,260.97 and 358,479,722.58

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Solution

The fourth proportional to 655,835,527.50, 905,052,260.97 and 358,479,722.58 is: 494,701,597.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,835,527.50 : 905,052,260.97 = 358,479,722.58 : x
  2. Step 2: Convert to fraction form
    655,835,527.50/905,052,260.97 = 358,479,722.58/x
  3. Step 3: Cross multiply
    655,835,527.50x = 905,052,260.97 × 358,479,722.58
  4. Step 4: Simplify right side
    655,835,527.50x = 324,442,883,432,927,360
  5. Step 5: Solve for x
    x = 324,442,883,432,927,360/655,835,527.50
  6. Step 6: Final answer
    x = 494,701,597.93

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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.