Home / 717,962,098.33-1,076,630,372.21-381,365,981.68

Finding the Fourth Proportional to 717,962,098.33, 1,076,630,372.21 and 381,365,981.68

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Solution

The fourth proportional to 717,962,098.33, 1,076,630,372.21 and 381,365,981.68 is: 571,882,833.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,962,098.33 : 1,076,630,372.21 = 381,365,981.68 : x
  2. Step 2: Convert to fraction form
    717,962,098.33/1,076,630,372.21 = 381,365,981.68/x
  3. Step 3: Cross multiply
    717,962,098.33x = 1,076,630,372.21 × 381,365,981.68
  4. Step 4: Simplify right side
    717,962,098.33x = 410,590,198,804,370,432
  5. Step 5: Solve for x
    x = 410,590,198,804,370,432/717,962,098.33
  6. Step 6: Final answer
    x = 571,882,833.03

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1.5x scale

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.