Home / 2,558,895,998.40-3,838,344,153.12-620,199,230.40

Finding the Fourth Proportional to 2,558,895,998.40, 3,838,344,153.12 and 620,199,230.40

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Solution

The fourth proportional to 2,558,895,998.40, 3,838,344,153.12 and 620,199,230.40 is: 930,298,883.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558,895,998.40 : 3,838,344,153.12 = 620,199,230.40 : x
  2. Step 2: Convert to fraction form
    2,558,895,998.40/3,838,344,153.12 = 620,199,230.40/x
  3. Step 3: Cross multiply
    2,558,895,998.40x = 3,838,344,153.12 × 620,199,230.40
  4. Step 4: Simplify right side
    2,558,895,998.40x = 2,380,538,089,775,363,584
  5. Step 5: Solve for x
    x = 2,380,538,089,775,363,584/2,558,895,998.40
  6. Step 6: Final answer
    x = 930,298,883.29

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1.5x scale

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.