Home / 729,639,653.18-1,095,551,590.93-631,575,502.61

Finding the Fourth Proportional to 729,639,653.18, 1,095,551,590.93 and 631,575,502.61

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Solution

The fourth proportional to 729,639,653.18, 1,095,551,590.93 and 631,575,502.61 is: 948,308,584.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,639,653.18 : 1,095,551,590.93 = 631,575,502.61 : x
  2. Step 2: Convert to fraction form
    729,639,653.18/1,095,551,590.93 = 631,575,502.61/x
  3. Step 3: Cross multiply
    729,639,653.18x = 1,095,551,590.93 × 631,575,502.61
  4. Step 4: Simplify right side
    729,639,653.18x = 691,923,546,669,743,232
  5. Step 5: Solve for x
    x = 691,923,546,669,743,232/729,639,653.18
  6. Step 6: Final answer
    x = 948,308,584.46

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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.