Home / 1,074,260,639.49-1,611,390,579.96-287,293,838.95

Finding the Fourth Proportional to 1,074,260,639.49, 1,611,390,579.96 and 287,293,838.95

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Solution

The fourth proportional to 1,074,260,639.49, 1,611,390,579.96 and 287,293,838.95 is: 430,940,656.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,260,639.49 : 1,611,390,579.96 = 287,293,838.95 : x
  2. Step 2: Convert to fraction form
    1,074,260,639.49/1,611,390,579.96 = 287,293,838.95/x
  3. Step 3: Cross multiply
    1,074,260,639.49x = 1,611,390,579.96 × 287,293,838.95
  4. Step 4: Simplify right side
    1,074,260,639.49x = 462,942,585,756,518,400
  5. Step 5: Solve for x
    x = 462,942,585,756,518,400/1,074,260,639.49
  6. Step 6: Final answer
    x = 430,940,656.99

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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.