Home / 20,187,422,568.05-30,281,133,852.08-13,575,446,222.45

Finding the Fourth Proportional to 20,187,422,568.05, 30,281,133,852.08 and 13,575,446,222.45

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Solution

The fourth proportional to 20,187,422,568.05, 30,281,133,852.08 and 13,575,446,222.45 is: 20,363,169,333.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,187,422,568.05 : 30,281,133,852.08 = 13,575,446,222.45 : x
  2. Step 2: Convert to fraction form
    20,187,422,568.05/30,281,133,852.08 = 13,575,446,222.45/x
  3. Step 3: Cross multiply
    20,187,422,568.05x = 30,281,133,852.08 × 13,575,446,222.45
  4. Step 4: Simplify right side
    20,187,422,568.05x = 411,079,904,163,654,402,048
  5. Step 5: Solve for x
    x = 411,079,904,163,654,402,048/20,187,422,568.05
  6. Step 6: Final answer
    x = 20,363,169,333.68

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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.