Home / 238,838,089,901.31-358,307,449,976.60-77,476,897,116.85

Finding the Fourth Proportional to 238,838,089,901.31, 358,307,449,976.60 and 77,476,897,116.85

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Solution

The fourth proportional to 238,838,089,901.31, 358,307,449,976.60 and 77,476,897,116.85 is: 116,231,667,442.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,838,089,901.31 : 358,307,449,976.60 = 77,476,897,116.85 : x
  2. Step 2: Convert to fraction form
    238,838,089,901.31/358,307,449,976.60 = 77,476,897,116.85/x
  3. Step 3: Cross multiply
    238,838,089,901.31x = 358,307,449,976.60 × 77,476,897,116.85
  4. Step 4: Simplify right side
    238,838,089,901.31x = 27,760,549,438,037,914,812,416
  5. Step 5: Solve for x
    x = 27,760,549,438,037,914,812,416/238,838,089,901.31
  6. Step 6: Final answer
    x = 116,231,667,442.61

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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.