Home / 238,838,089,900.81-358,307,449,975.85-77,476,897,116.35

Finding the Fourth Proportional to 238,838,089,900.81, 358,307,449,975.85 and 77,476,897,116.35

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Solution

The fourth proportional to 238,838,089,900.81, 358,307,449,975.85 and 77,476,897,116.35 is: 116,231,667,441.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,838,089,900.81 : 358,307,449,975.85 = 77,476,897,116.35 : x
  2. Step 2: Convert to fraction form
    238,838,089,900.81/358,307,449,975.85 = 77,476,897,116.35/x
  3. Step 3: Cross multiply
    238,838,089,900.81x = 358,307,449,975.85 × 77,476,897,116.35
  4. Step 4: Simplify right side
    238,838,089,900.81x = 27,760,549,437,800,655,618,048
  5. Step 5: Solve for x
    x = 27,760,549,437,800,655,618,048/238,838,089,900.81
  6. Step 6: Final answer
    x = 116,231,667,441.86

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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.