Home / 12,643,249,611,518-17,447,684,462,203-7,162,351,419,196

Finding the Fourth Proportional to 12,643,249,611,518, 17,447,684,462,203 and 7,162,351,419,196

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Solution

The fourth proportional to 12,643,249,611,518, 17,447,684,462,203 and 7,162,351,419,196 is: 9,884,044,957,532.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,643,249,611,518 : 17,447,684,462,203 = 7,162,351,419,196 : x
  2. Step 2: Convert to fraction form
    12,643,249,611,518/17,447,684,462,203 = 7,162,351,419,196/x
  3. Step 3: Cross multiply
    12,643,249,611,518x = 17,447,684,462,203 × 7,162,351,419,196
  4. Step 4: Simplify right side
    12,643,249,611,518x = 124,966,447,569,543,650,240,102,400
  5. Step 5: Solve for x
    x = 124,966,447,569,543,650,240,102,400/12,643,249,611,518
  6. Step 6: Final answer
    x = 9,884,044,957,532.06

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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.