Home / 3,938,211,965.84-5,436,405,914.28-2,453,833,479.92

Finding the Fourth Proportional to 3,938,211,965.84, 5,436,405,914.28 and 2,453,833,479.92

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Solution

The fourth proportional to 3,938,211,965.84, 5,436,405,914.28 and 2,453,833,479.92 is: 3,387,332,870.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,211,965.84 : 5,436,405,914.28 = 2,453,833,479.92 : x
  2. Step 2: Convert to fraction form
    3,938,211,965.84/5,436,405,914.28 = 2,453,833,479.92/x
  3. Step 3: Cross multiply
    3,938,211,965.84x = 5,436,405,914.28 × 2,453,833,479.92
  4. Step 4: Simplify right side
    3,938,211,965.84x = 13,340,034,842,895,362,048
  5. Step 5: Solve for x
    x = 13,340,034,842,895,362,048/3,938,211,965.84
  6. Step 6: Final answer
    x = 3,387,332,870.50

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1.5x scale

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.