Home / 1,679,664,039.40-2,519,496,059.10-452,956,493.80

Finding the Fourth Proportional to 1,679,664,039.40, 2,519,496,059.10 and 452,956,493.80

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Solution

The fourth proportional to 1,679,664,039.40, 2,519,496,059.10 and 452,956,493.80 is: 679,434,740.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,664,039.40 : 2,519,496,059.10 = 452,956,493.80 : x
  2. Step 2: Convert to fraction form
    1,679,664,039.40/2,519,496,059.10 = 452,956,493.80/x
  3. Step 3: Cross multiply
    1,679,664,039.40x = 2,519,496,059.10 × 452,956,493.80
  4. Step 4: Simplify right side
    1,679,664,039.40x = 1,141,222,101,072,853,632
  5. Step 5: Solve for x
    x = 1,141,222,101,072,853,632/1,679,664,039.40
  6. Step 6: Final answer
    x = 679,434,740.70

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Double scale
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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.