Home / 85,328,481,731.22-117,794,136,925.89-56,829,563,658.90

Finding the Fourth Proportional to 85,328,481,731.22, 117,794,136,925.89 and 56,829,563,658.90

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Solution

The fourth proportional to 85,328,481,731.22, 117,794,136,925.89 and 56,829,563,658.90 is: 78,451,992,432.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,328,481,731.22 : 117,794,136,925.89 = 56,829,563,658.90 : x
  2. Step 2: Convert to fraction form
    85,328,481,731.22/117,794,136,925.89 = 56,829,563,658.90/x
  3. Step 3: Cross multiply
    85,328,481,731.22x = 117,794,136,925.89 × 56,829,563,658.90
  4. Step 4: Simplify right side
    85,328,481,731.22x = 6,694,189,403,075,048,898,560
  5. Step 5: Solve for x
    x = 6,694,189,403,075,048,898,560/85,328,481,731.22
  6. Step 6: Final answer
    x = 78,451,992,432.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.