Home / 12,643,249,611,524-17,447,684,462,212-7,162,351,419,202

Finding the Fourth Proportional to 12,643,249,611,524, 17,447,684,462,212 and 7,162,351,419,202

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Solution

The fourth proportional to 12,643,249,611,524, 17,447,684,462,212 and 7,162,351,419,202 is: 9,884,044,957,540.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,643,249,611,524 : 17,447,684,462,212 = 7,162,351,419,202 : x
  2. Step 2: Convert to fraction form
    12,643,249,611,524/17,447,684,462,212 = 7,162,351,419,202/x
  3. Step 3: Cross multiply
    12,643,249,611,524x = 17,447,684,462,212 × 7,162,351,419,202
  4. Step 4: Simplify right side
    12,643,249,611,524x = 124,966,447,569,712,803,232,088,064
  5. Step 5: Solve for x
    x = 124,966,447,569,712,803,232,088,064/12,643,249,611,524
  6. Step 6: Final answer
    x = 9,884,044,957,540.75

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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.