Home / 1,621,046,833.20-2,237,046,542.99-878,490,895.95

Finding the Fourth Proportional to 1,621,046,833.20, 2,237,046,542.99 and 878,490,895.95

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Solution

The fourth proportional to 1,621,046,833.20, 2,237,046,542.99 and 878,490,895.95 is: 1,212,318,473.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,046,833.20 : 2,237,046,542.99 = 878,490,895.95 : x
  2. Step 2: Convert to fraction form
    1,621,046,833.20/2,237,046,542.99 = 878,490,895.95/x
  3. Step 3: Cross multiply
    1,621,046,833.20x = 2,237,046,542.99 × 878,490,895.95
  4. Step 4: Simplify right side
    1,621,046,833.20x = 1,965,225,021,831,993,344
  5. Step 5: Solve for x
    x = 1,965,225,021,831,993,344/1,621,046,833.20
  6. Step 6: Final answer
    x = 1,212,318,473.21

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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.