Home / 12,643,249,611,516-17,447,684,462,201-7,162,351,419,194

Finding the Fourth Proportional to 12,643,249,611,516, 17,447,684,462,201 and 7,162,351,419,194

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Solution

The fourth proportional to 12,643,249,611,516, 17,447,684,462,201 and 7,162,351,419,194 is: 9,884,044,957,529.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,643,249,611,516 : 17,447,684,462,201 = 7,162,351,419,194 : x
  2. Step 2: Convert to fraction form
    12,643,249,611,516/17,447,684,462,201 = 7,162,351,419,194/x
  3. Step 3: Cross multiply
    12,643,249,611,516x = 17,447,684,462,201 × 7,162,351,419,194
  4. Step 4: Simplify right side
    12,643,249,611,516x = 124,966,447,569,494,429,914,890,240
  5. Step 5: Solve for x
    x = 124,966,447,569,494,429,914,890,240/12,643,249,611,516
  6. Step 6: Final answer
    x = 9,884,044,957,529.73

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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.