Home / 21,573,435,590.36-29,770,140,221.90-11,927,607,897.82

Finding the Fourth Proportional to 21,573,435,590.36, 29,770,140,221.90 and 11,927,607,897.82

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Solution

The fourth proportional to 21,573,435,590.36, 29,770,140,221.90 and 11,927,607,897.82 is: 16,459,434,944.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,573,435,590.36 : 29,770,140,221.90 = 11,927,607,897.82 : x
  2. Step 2: Convert to fraction form
    21,573,435,590.36/29,770,140,221.90 = 11,927,607,897.82/x
  3. Step 3: Cross multiply
    21,573,435,590.36x = 29,770,140,221.90 × 11,927,607,897.82
  4. Step 4: Simplify right side
    21,573,435,590.36x = 355,086,559,629,943,308,288
  5. Step 5: Solve for x
    x = 355,086,559,629,943,308,288/21,573,435,590.36
  6. Step 6: Final answer
    x = 16,459,434,944.55

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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.