Home / 351,015,510.40-526,523,265.60-248,978,838.40

Finding the Fourth Proportional to 351,015,510.40, 526,523,265.60 and 248,978,838.40

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Solution

The fourth proportional to 351,015,510.40, 526,523,265.60 and 248,978,838.40 is: 373,468,257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,015,510.40 : 526,523,265.60 = 248,978,838.40 : x
  2. Step 2: Convert to fraction form
    351,015,510.40/526,523,265.60 = 248,978,838.40/x
  3. Step 3: Cross multiply
    351,015,510.40x = 526,523,265.60 × 248,978,838.40
  4. Step 4: Simplify right side
    351,015,510.40x = 131,093,151,059,662,688
  5. Step 5: Solve for x
    x = 131,093,151,059,662,688/351,015,510.40
  6. Step 6: Final answer
    x = 373,468,257.60

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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.