Home / 21,165,598,230.40-29,208,293,768.64-11,649,946,533.76

Finding the Fourth Proportional to 21,165,598,230.40, 29,208,293,768.64 and 11,649,946,533.76

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Solution

The fourth proportional to 21,165,598,230.40, 29,208,293,768.64 and 11,649,946,533.76 is: 16,076,798,635.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,165,598,230.40 : 29,208,293,768.64 = 11,649,946,533.76 : x
  2. Step 2: Convert to fraction form
    21,165,598,230.40/29,208,293,768.64 = 11,649,946,533.76/x
  3. Step 3: Cross multiply
    21,165,598,230.40x = 29,208,293,768.64 × 11,649,946,533.76
  4. Step 4: Simplify right side
    21,165,598,230.40x = 340,275,060,747,011,358,720
  5. Step 5: Solve for x
    x = 340,275,060,747,011,358,720/21,165,598,230.40
  6. Step 6: Final answer
    x = 16,076,798,635.36

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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.