Home / 30,646,109,000.09-42,292,673,915.94-17,784,753,188.78

Finding the Fourth Proportional to 30,646,109,000.09, 42,292,673,915.94 and 17,784,753,188.78

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Solution

The fourth proportional to 30,646,109,000.09, 42,292,673,915.94 and 17,784,753,188.78 is: 24,543,564,968.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,646,109,000.09 : 42,292,673,915.94 = 17,784,753,188.78 : x
  2. Step 2: Convert to fraction form
    30,646,109,000.09/42,292,673,915.94 = 17,784,753,188.78/x
  3. Step 3: Cross multiply
    30,646,109,000.09x = 42,292,673,915.94 × 17,784,753,188.78
  4. Step 4: Simplify right side
    30,646,109,000.09x = 752,164,767,288,673,566,720
  5. Step 5: Solve for x
    x = 752,164,767,288,673,566,720/30,646,109,000.09
  6. Step 6: Final answer
    x = 24,543,564,968.93

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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.