Home / 6,551,008,021.80-9,826,512,032.70-2,129,418,901.80

Finding the Fourth Proportional to 6,551,008,021.80, 9,826,512,032.70 and 2,129,418,901.80

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Solution

The fourth proportional to 6,551,008,021.80, 9,826,512,032.70 and 2,129,418,901.80 is: 3,194,128,352.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,551,008,021.80 : 9,826,512,032.70 = 2,129,418,901.80 : x
  2. Step 2: Convert to fraction form
    6,551,008,021.80/9,826,512,032.70 = 2,129,418,901.80/x
  3. Step 3: Cross multiply
    6,551,008,021.80x = 9,826,512,032.70 × 2,129,418,901.80
  4. Step 4: Simplify right side
    6,551,008,021.80x = 20,924,760,461,196,521,472
  5. Step 5: Solve for x
    x = 20,924,760,461,196,521,472/6,551,008,021.80
  6. Step 6: Final answer
    x = 3,194,128,352.70

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Double scale
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Similar ratio
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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.