Home / 262,656,096.90-393,984,145.35-257,281,325.70

Finding the Fourth Proportional to 262,656,096.90, 393,984,145.35 and 257,281,325.70

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Solution

The fourth proportional to 262,656,096.90, 393,984,145.35 and 257,281,325.70 is: 385,921,988.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,656,096.90 : 393,984,145.35 = 257,281,325.70 : x
  2. Step 2: Convert to fraction form
    262,656,096.90/393,984,145.35 = 257,281,325.70/x
  3. Step 3: Cross multiply
    262,656,096.90x = 393,984,145.35 × 257,281,325.70
  4. Step 4: Simplify right side
    262,656,096.90x = 101,364,763,220,429,488
  5. Step 5: Solve for x
    x = 101,364,763,220,429,488/262,656,096.90
  6. Step 6: Final answer
    x = 385,921,988.55

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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.