Home / 351,013,478.40-526,520,217.60-248,976,806.40

Finding the Fourth Proportional to 351,013,478.40, 526,520,217.60 and 248,976,806.40

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Solution

The fourth proportional to 351,013,478.40, 526,520,217.60 and 248,976,806.40 is: 373,465,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,013,478.40 : 526,520,217.60 = 248,976,806.40 : x
  2. Step 2: Convert to fraction form
    351,013,478.40/526,520,217.60 = 248,976,806.40/x
  3. Step 3: Cross multiply
    351,013,478.40x = 526,520,217.60 × 248,976,806.40
  4. Step 4: Simplify right side
    351,013,478.40x = 131,091,322,283,081,088
  5. Step 5: Solve for x
    x = 131,091,322,283,081,088/351,013,478.40
  6. Step 6: Final answer
    x = 373,465,209.60

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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.