Home / 1,087,974,009,222.30-1,631,961,013,833.50-521,720,222,499.90

Finding the Fourth Proportional to 1,087,974,009,222.30, 1,631,961,013,833.50 and 521,720,222,499.90

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Solution

The fourth proportional to 1,087,974,009,222.30, 1,631,961,013,833.50 and 521,720,222,499.90 is: 782,580,333,749.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,974,009,222.30 : 1,631,961,013,833.50 = 521,720,222,499.90 : x
  2. Step 2: Convert to fraction form
    1,087,974,009,222.30/1,631,961,013,833.50 = 521,720,222,499.90/x
  3. Step 3: Cross multiply
    1,087,974,009,222.30x = 1,631,961,013,833.50 × 521,720,222,499.90
  4. Step 4: Simplify right side
    1,087,974,009,222.30x = 851,427,063,248,376,104,484,864
  5. Step 5: Solve for x
    x = 851,427,063,248,376,104,484,864/1,087,974,009,222.30
  6. Step 6: Final answer
    x = 782,580,333,749.87

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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.