Home / 212,334,548,436.80-318,499,641,195.60-122,740,533,648.80

Finding the Fourth Proportional to 212,334,548,436.80, 318,499,641,195.60 and 122,740,533,648.80

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Solution

The fourth proportional to 212,334,548,436.80, 318,499,641,195.60 and 122,740,533,648.80 is: 184,109,539,474.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,334,548,436.80 : 318,499,641,195.60 = 122,740,533,648.80 : x
  2. Step 2: Convert to fraction form
    212,334,548,436.80/318,499,641,195.60 = 122,740,533,648.80/x
  3. Step 3: Cross multiply
    212,334,548,436.80x = 318,499,641,195.60 × 122,740,533,648.80
  4. Step 4: Simplify right side
    212,334,548,436.80x = 39,092,815,927,299,264,217,088
  5. Step 5: Solve for x
    x = 39,092,815,927,299,264,217,088/212,334,548,436.80
  6. Step 6: Final answer
    x = 184,109,539,474.85

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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.