Home / 13,576,232,863.95-18,736,832,344.28-8,223,636,170.49

Finding the Fourth Proportional to 13,576,232,863.95, 18,736,832,344.28 and 8,223,636,170.49

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Solution

The fourth proportional to 13,576,232,863.95, 18,736,832,344.28 and 8,223,636,170.49 is: 11,349,605,868.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576,232,863.95 : 18,736,832,344.28 = 8,223,636,170.49 : x
  2. Step 2: Convert to fraction form
    13,576,232,863.95/18,736,832,344.28 = 8,223,636,170.49/x
  3. Step 3: Cross multiply
    13,576,232,863.95x = 18,736,832,344.28 × 8,223,636,170.49
  4. Step 4: Simplify right side
    13,576,232,863.95x = 154,084,892,186,786,824,192
  5. Step 5: Solve for x
    x = 154,084,892,186,786,824,192/13,576,232,863.95
  6. Step 6: Final answer
    x = 11,349,605,868.65

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Double scale
Find fourth proportional to 13,576,232,864.95, 18,736,832,345.66 and 8,223,636,171.49
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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.