Home / 299,691,312,472.98-449,563,397,602.54-84,561,741,532.76

Finding the Fourth Proportional to 299,691,312,472.98, 449,563,397,602.54 and 84,561,741,532.76

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Solution

The fourth proportional to 299,691,312,472.98, 449,563,397,602.54 and 84,561,741,532.76 is: 126,850,069,549.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,691,312,472.98 : 449,563,397,602.54 = 84,561,741,532.76 : x
  2. Step 2: Convert to fraction form
    299,691,312,472.98/449,563,397,602.54 = 84,561,741,532.76/x
  3. Step 3: Cross multiply
    299,691,312,472.98x = 449,563,397,602.54 × 84,561,741,532.76
  4. Step 4: Simplify right side
    299,691,312,472.98x = 38,015,863,830,655,403,032,576
  5. Step 5: Solve for x
    x = 38,015,863,830,655,403,032,576/299,691,312,472.98
  6. Step 6: Final answer
    x = 126,850,069,549.76

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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.