Home / 21,573,435,591.36-29,770,140,223.28-11,927,607,898.82

Finding the Fourth Proportional to 21,573,435,591.36, 29,770,140,223.28 and 11,927,607,898.82

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Solution

The fourth proportional to 21,573,435,591.36, 29,770,140,223.28 and 11,927,607,898.82 is: 16,459,434,945.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,573,435,591.36 : 29,770,140,223.28 = 11,927,607,898.82 : x
  2. Step 2: Convert to fraction form
    21,573,435,591.36/29,770,140,223.28 = 11,927,607,898.82/x
  3. Step 3: Cross multiply
    21,573,435,591.36x = 29,770,140,223.28 × 11,927,607,898.82
  4. Step 4: Simplify right side
    21,573,435,591.36x = 355,086,559,676,173,516,800
  5. Step 5: Solve for x
    x = 355,086,559,676,173,516,800/21,573,435,591.36
  6. Step 6: Final answer
    x = 16,459,434,945.93

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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.