Home / 12,172,143,755,020-16,797,569,205,742-6,616,468,217,478.40

Finding the Fourth Proportional to 12,172,143,755,020, 16,797,569,205,742 and 6,616,468,217,478.40

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Solution

The fourth proportional to 12,172,143,755,020, 16,797,569,205,742 and 6,616,468,217,478.40 is: 9,130,732,023,670.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,172,143,755,020 : 16,797,569,205,742 = 6,616,468,217,478.40 : x
  2. Step 2: Convert to fraction form
    12,172,143,755,020/16,797,569,205,742 = 6,616,468,217,478.40/x
  3. Step 3: Cross multiply
    12,172,143,755,020x = 16,797,569,205,742 × 6,616,468,217,478.40
  4. Step 4: Simplify right side
    12,172,143,755,020x = 111,140,582,780,685,841,170,694,144
  5. Step 5: Solve for x
    x = 111,140,582,780,685,841,170,694,144/12,172,143,755,020
  6. Step 6: Final answer
    x = 9,130,732,023,670.82

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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.