Home / 929,223,025.20-1,393,834,537.80-411,103,479.60

Finding the Fourth Proportional to 929,223,025.20, 1,393,834,537.80 and 411,103,479.60

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Solution

The fourth proportional to 929,223,025.20, 1,393,834,537.80 and 411,103,479.60 is: 616,655,219.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,223,025.20 : 1,393,834,537.80 = 411,103,479.60 : x
  2. Step 2: Convert to fraction form
    929,223,025.20/1,393,834,537.80 = 411,103,479.60/x
  3. Step 3: Cross multiply
    929,223,025.20x = 1,393,834,537.80 × 411,103,479.60
  4. Step 4: Simplify right side
    929,223,025.20x = 573,010,228,476,237,760
  5. Step 5: Solve for x
    x = 573,010,228,476,237,760/929,223,025.20
  6. Step 6: Final answer
    x = 616,655,219.40

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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.