Home / 3,100,037,969.93-4,650,043,683.34-859,078,885.32

Finding the Fourth Proportional to 3,100,037,969.93, 4,650,043,683.34 and 859,078,885.32

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Solution

The fourth proportional to 3,100,037,969.93, 4,650,043,683.34 and 859,078,885.32 is: 1,288,614,650.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100,037,969.93 : 4,650,043,683.34 = 859,078,885.32 : x
  2. Step 2: Convert to fraction form
    3,100,037,969.93/4,650,043,683.34 = 859,078,885.32/x
  3. Step 3: Cross multiply
    3,100,037,969.93x = 4,650,043,683.34 × 859,078,885.32
  4. Step 4: Simplify right side
    3,100,037,969.93x = 3,994,754,344,174,065,152
  5. Step 5: Solve for x
    x = 3,994,754,344,174,065,152/3,100,037,969.93
  6. Step 6: Final answer
    x = 1,288,614,650.18

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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.