Home / 16,785,792,000.80-25,178,688,001.20-5,152,099,738.40

Finding the Fourth Proportional to 16,785,792,000.80, 25,178,688,001.20 and 5,152,099,738.40

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Solution

The fourth proportional to 16,785,792,000.80, 25,178,688,001.20 and 5,152,099,738.40 is: 7,728,149,607.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,785,792,000.80 : 25,178,688,001.20 = 5,152,099,738.40 : x
  2. Step 2: Convert to fraction form
    16,785,792,000.80/25,178,688,001.20 = 5,152,099,738.40/x
  3. Step 3: Cross multiply
    16,785,792,000.80x = 25,178,688,001.20 × 5,152,099,738.40
  4. Step 4: Simplify right side
    16,785,792,000.80x = 129,723,111,864,237,735,936
  5. Step 5: Solve for x
    x = 129,723,111,864,237,735,936/16,785,792,000.80
  6. Step 6: Final answer
    x = 7,728,149,607.60

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Double scale
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Similar ratio
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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.