Home / 1,384,128,001.65-2,076,192,002.48-1,322,905,998.45

Finding the Fourth Proportional to 1,384,128,001.65, 2,076,192,002.48 and 1,322,905,998.45

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Solution

The fourth proportional to 1,384,128,001.65, 2,076,192,002.48 and 1,322,905,998.45 is: 1,984,358,997.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,128,001.65 : 2,076,192,002.48 = 1,322,905,998.45 : x
  2. Step 2: Convert to fraction form
    1,384,128,001.65/2,076,192,002.48 = 1,322,905,998.45/x
  3. Step 3: Cross multiply
    1,384,128,001.65x = 2,076,192,002.48 × 1,322,905,998.45
  4. Step 4: Simplify right side
    1,384,128,001.65x = 2,746,606,854,008,094,720
  5. Step 5: Solve for x
    x = 2,746,606,854,008,094,720/1,384,128,001.65
  6. Step 6: Final answer
    x = 1,984,358,997.68

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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.