Home / 12,331,851,511.84-17,015,038,318.19-6,979,411,868.93

Finding the Fourth Proportional to 12,331,851,511.84, 17,015,038,318.19 and 6,979,411,868.93

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Solution

The fourth proportional to 12,331,851,511.84, 17,015,038,318.19 and 6,979,411,868.93 is: 9,629,937,586.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,331,851,511.84 : 17,015,038,318.19 = 6,979,411,868.93 : x
  2. Step 2: Convert to fraction form
    12,331,851,511.84/17,015,038,318.19 = 6,979,411,868.93/x
  3. Step 3: Cross multiply
    12,331,851,511.84x = 17,015,038,318.19 × 6,979,411,868.93
  4. Step 4: Simplify right side
    12,331,851,511.84x = 118,754,960,388,209,901,568
  5. Step 5: Solve for x
    x = 118,754,960,388,209,901,568/12,331,851,511.84
  6. Step 6: Final answer
    x = 9,629,937,586.76

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Double scale
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1.5x scale

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.