Home / 1,705,892,012.40-2,558,837,999.40-413,427,500.40

Finding the Fourth Proportional to 1,705,892,012.40, 2,558,837,999.40 and 413,427,500.40

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Solution

The fourth proportional to 1,705,892,012.40, 2,558,837,999.40 and 413,427,500.40 is: 620,141,245.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,705,892,012.40 : 2,558,837,999.40 = 413,427,500.40 : x
  2. Step 2: Convert to fraction form
    1,705,892,012.40/2,558,837,999.40 = 413,427,500.40/x
  3. Step 3: Cross multiply
    1,705,892,012.40x = 2,558,837,999.40 × 413,427,500.40
  4. Step 4: Simplify right side
    1,705,892,012.40x = 1,057,893,998,020,478,720
  5. Step 5: Solve for x
    x = 1,057,893,998,020,478,720/1,705,892,012.40
  6. Step 6: Final answer
    x = 620,141,245.95

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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.