Home / 278,096,266,948.86-416,585,873,535.98-126,794,441,289.06

Finding the Fourth Proportional to 278,096,266,948.86, 416,585,873,535.98 and 126,794,441,289.06

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Solution

The fourth proportional to 278,096,266,948.86, 416,585,873,535.98 and 126,794,441,289.06 is: 189,937,008,732.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,096,266,948.86 : 416,585,873,535.98 = 126,794,441,289.06 : x
  2. Step 2: Convert to fraction form
    278,096,266,948.86/416,585,873,535.98 = 126,794,441,289.06/x
  3. Step 3: Cross multiply
    278,096,266,948.86x = 416,585,873,535.98 × 126,794,441,289.06
  4. Step 4: Simplify right side
    278,096,266,948.86x = 52,820,773,083,909,590,089,728
  5. Step 5: Solve for x
    x = 52,820,773,083,909,590,089,728/278,096,266,948.86
  6. Step 6: Final answer
    x = 189,937,008,732.39

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1.5x scale

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.