Home / 12,636,620,187.40-18,954,930,281.10-8,963,299,995.40

Finding the Fourth Proportional to 12,636,620,187.40, 18,954,930,281.10 and 8,963,299,995.40

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Solution

The fourth proportional to 12,636,620,187.40, 18,954,930,281.10 and 8,963,299,995.40 is: 13,444,949,993.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,636,620,187.40 : 18,954,930,281.10 = 8,963,299,995.40 : x
  2. Step 2: Convert to fraction form
    12,636,620,187.40/18,954,930,281.10 = 8,963,299,995.40/x
  3. Step 3: Cross multiply
    12,636,620,187.40x = 18,954,930,281.10 × 8,963,299,995.40
  4. Step 4: Simplify right side
    12,636,620,187.40x = 169,898,726,501,390,942,208
  5. Step 5: Solve for x
    x = 169,898,726,501,390,942,208/12,636,620,187.40
  6. Step 6: Final answer
    x = 13,444,949,993.10

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.