Home / 619,328,078.20-928,992,117.30-374,440,065.40

Finding the Fourth Proportional to 619,328,078.20, 928,992,117.30 and 374,440,065.40

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Solution

The fourth proportional to 619,328,078.20, 928,992,117.30 and 374,440,065.40 is: 561,660,098.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,328,078.20 : 928,992,117.30 = 374,440,065.40 : x
  2. Step 2: Convert to fraction form
    619,328,078.20/928,992,117.30 = 374,440,065.40/x
  3. Step 3: Cross multiply
    619,328,078.20x = 928,992,117.30 × 374,440,065.40
  4. Step 4: Simplify right side
    619,328,078.20x = 347,851,869,157,896,448
  5. Step 5: Solve for x
    x = 347,851,869,157,896,448/619,328,078.20
  6. Step 6: Final answer
    x = 561,660,098.10

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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.