Home / 1,124,299,642,819.80-1,551,533,507,091.50-643,123,395,481.76

Finding the Fourth Proportional to 1,124,299,642,819.80, 1,551,533,507,091.50 and 643,123,395,481.76

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Solution

The fourth proportional to 1,124,299,642,819.80, 1,551,533,507,091.50 and 643,123,395,481.76 is: 887,510,285,764.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,299,642,819.80 : 1,551,533,507,091.50 = 643,123,395,481.76 : x
  2. Step 2: Convert to fraction form
    1,124,299,642,819.80/1,551,533,507,091.50 = 643,123,395,481.76/x
  3. Step 3: Cross multiply
    1,124,299,642,819.80x = 1,551,533,507,091.50 × 643,123,395,481.76
  4. Step 4: Simplify right side
    1,124,299,642,819.80x = 997,827,497,284,408,799,395,840
  5. Step 5: Solve for x
    x = 997,827,497,284,408,799,395,840/1,124,299,642,819.80
  6. Step 6: Final answer
    x = 887,510,285,764.93

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.