Home / 19,397,963,780.70-29,096,945,671.05-8,378,003,204.70

Finding the Fourth Proportional to 19,397,963,780.70, 29,096,945,671.05 and 8,378,003,204.70

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Solution

The fourth proportional to 19,397,963,780.70, 29,096,945,671.05 and 8,378,003,204.70 is: 12,567,004,807.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,397,963,780.70 : 29,096,945,671.05 = 8,378,003,204.70 : x
  2. Step 2: Convert to fraction form
    19,397,963,780.70/29,096,945,671.05 = 8,378,003,204.70/x
  3. Step 3: Cross multiply
    19,397,963,780.70x = 29,096,945,671.05 × 8,378,003,204.70
  4. Step 4: Simplify right side
    19,397,963,780.70x = 243,774,304,079,038,676,992
  5. Step 5: Solve for x
    x = 243,774,304,079,038,676,992/19,397,963,780.70
  6. Step 6: Final answer
    x = 12,567,004,807.05

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Double scale
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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.