Home / 13,192,724,706.81-18,205,971,826.77-7,171,230,110.76

Finding the Fourth Proportional to 13,192,724,706.81, 18,205,971,826.77 and 7,171,230,110.76

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Solution

The fourth proportional to 13,192,724,706.81, 18,205,971,826.77 and 7,171,230,110.76 is: 9,896,303,929.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192,724,706.81 : 18,205,971,826.77 = 7,171,230,110.76 : x
  2. Step 2: Convert to fraction form
    13,192,724,706.81/18,205,971,826.77 = 7,171,230,110.76/x
  3. Step 3: Cross multiply
    13,192,724,706.81x = 18,205,971,826.77 × 7,171,230,110.76
  4. Step 4: Simplify right side
    13,192,724,706.81x = 130,559,213,359,781,281,792
  5. Step 5: Solve for x
    x = 130,559,213,359,781,281,792/13,192,724,706.81
  6. Step 6: Final answer
    x = 9,896,303,929.72

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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.