Home / 3,927,539,040.84-5,420,118,782.70-2,143,506,919.32

Finding the Fourth Proportional to 3,927,539,040.84, 5,420,118,782.70 and 2,143,506,919.32

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Solution

The fourth proportional to 3,927,539,040.84, 5,420,118,782.70 and 2,143,506,919.32 is: 2,958,102,260.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927,539,040.84 : 5,420,118,782.70 = 2,143,506,919.32 : x
  2. Step 2: Convert to fraction form
    3,927,539,040.84/5,420,118,782.70 = 2,143,506,919.32/x
  3. Step 3: Cross multiply
    3,927,539,040.84x = 5,420,118,782.70 × 2,143,506,919.32
  4. Step 4: Simplify right side
    3,927,539,040.84x = 11,618,062,114,253,744,128
  5. Step 5: Solve for x
    x = 11,618,062,114,253,744,128/3,927,539,040.84
  6. Step 6: Final answer
    x = 2,958,102,260.33

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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.