Home / 1,974,516,692.70-2,961,775,039.05-663,983,186.70

Finding the Fourth Proportional to 1,974,516,692.70, 2,961,775,039.05 and 663,983,186.70

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Solution

The fourth proportional to 1,974,516,692.70, 2,961,775,039.05 and 663,983,186.70 is: 995,974,780.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,516,692.70 : 2,961,775,039.05 = 663,983,186.70 : x
  2. Step 2: Convert to fraction form
    1,974,516,692.70/2,961,775,039.05 = 663,983,186.70/x
  3. Step 3: Cross multiply
    1,974,516,692.70x = 2,961,775,039.05 × 663,983,186.70
  4. Step 4: Simplify right side
    1,974,516,692.70x = 1,966,568,828,716,936,192
  5. Step 5: Solve for x
    x = 1,966,568,828,716,936,192/1,974,516,692.70
  6. Step 6: Final answer
    x = 995,974,780.05

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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.