Home / 12,643,249,611,513-17,447,684,462,196-7,162,351,419,190.40

Finding the Fourth Proportional to 12,643,249,611,513, 17,447,684,462,196 and 7,162,351,419,190.40

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Solution

The fourth proportional to 12,643,249,611,513, 17,447,684,462,196 and 7,162,351,419,190.40 is: 9,884,044,957,524.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,643,249,611,513 : 17,447,684,462,196 = 7,162,351,419,190.40 : x
  2. Step 2: Convert to fraction form
    12,643,249,611,513/17,447,684,462,196 = 7,162,351,419,190.40/x
  3. Step 3: Cross multiply
    12,643,249,611,513x = 17,447,684,462,196 × 7,162,351,419,190.40
  4. Step 4: Simplify right side
    12,643,249,611,513x = 124,966,447,569,395,817,465,774,080
  5. Step 5: Solve for x
    x = 124,966,447,569,395,817,465,774,080/12,643,249,611,513
  6. Step 6: Final answer
    x = 9,884,044,957,524.28

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Double scale
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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.