Home / 1,087,974,009,210.30-1,631,961,013,815.50-521,720,222,487.90

Finding the Fourth Proportional to 1,087,974,009,210.30, 1,631,961,013,815.50 and 521,720,222,487.90

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Solution

The fourth proportional to 1,087,974,009,210.30, 1,631,961,013,815.50 and 521,720,222,487.90 is: 782,580,333,731.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,974,009,210.30 : 1,631,961,013,815.50 = 521,720,222,487.90 : x
  2. Step 2: Convert to fraction form
    1,087,974,009,210.30/1,631,961,013,815.50 = 521,720,222,487.90/x
  3. Step 3: Cross multiply
    1,087,974,009,210.30x = 1,631,961,013,815.50 × 521,720,222,487.90
  4. Step 4: Simplify right side
    1,087,974,009,210.30x = 851,427,063,219,401,584,017,408
  5. Step 5: Solve for x
    x = 851,427,063,219,401,584,017,408/1,087,974,009,210.30
  6. Step 6: Final answer
    x = 782,580,333,731.87

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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.