Home / 637,027,745,414.70-879,307,787,019.40-507,055,011,000.90

Finding the Fourth Proportional to 637,027,745,414.70, 879,307,787,019.40 and 507,055,011,000.90

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Solution

The fourth proportional to 637,027,745,414.70, 879,307,787,019.40 and 507,055,011,000.90 is: 699,902,669,592.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,027,745,414.70 : 879,307,787,019.40 = 507,055,011,000.90 : x
  2. Step 2: Convert to fraction form
    637,027,745,414.70/879,307,787,019.40 = 507,055,011,000.90/x
  3. Step 3: Cross multiply
    637,027,745,414.70x = 879,307,787,019.40 × 507,055,011,000.90
  4. Step 4: Simplify right side
    637,027,745,414.70x = 445,857,419,620,298,927,374,336
  5. Step 5: Solve for x
    x = 445,857,419,620,298,927,374,336/637,027,745,414.70
  6. Step 6: Final answer
    x = 699,902,669,592.59

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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.