Home / 238,838,089,900.42-358,307,449,975.23-77,476,897,115.95

Finding the Fourth Proportional to 238,838,089,900.42, 358,307,449,975.23 and 77,476,897,115.95

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Solution

The fourth proportional to 238,838,089,900.42, 358,307,449,975.23 and 77,476,897,115.95 is: 116,231,667,441.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,838,089,900.42 : 358,307,449,975.23 = 77,476,897,115.95 : x
  2. Step 2: Convert to fraction form
    238,838,089,900.42/358,307,449,975.23 = 77,476,897,115.95/x
  3. Step 3: Cross multiply
    238,838,089,900.42x = 358,307,449,975.23 × 77,476,897,115.95
  4. Step 4: Simplify right side
    238,838,089,900.42x = 27,760,549,437,609,294,692,352
  5. Step 5: Solve for x
    x = 27,760,549,437,609,294,692,352/238,838,089,900.42
  6. Step 6: Final answer
    x = 116,231,667,441.25

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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.