Home / 91,217,678,432.30-127,878,892,392.10-91,217,678,432.30

Finding the Fourth Proportional to 91,217,678,432.30, 127,878,892,392.10 and 91,217,678,432.30

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Solution

The fourth proportional to 91,217,678,432.30, 127,878,892,392.10 and 91,217,678,432.30 is: 127,878,892,392.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,217,678,432.30 : 127,878,892,392.10 = 91,217,678,432.30 : x
  2. Step 2: Convert to fraction form
    91,217,678,432.30/127,878,892,392.10 = 91,217,678,432.30/x
  3. Step 3: Cross multiply
    91,217,678,432.30x = 127,878,892,392.10 × 91,217,678,432.30
  4. Step 4: Simplify right side
    91,217,678,432.30x = 11,664,815,684,501,274,361,856
  5. Step 5: Solve for x
    x = 11,664,815,684,501,274,361,856/91,217,678,432.30
  6. Step 6: Final answer
    x = 127,878,892,392.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.