Home / 15,327,574,502.26-21,152,013,144.33-8,553,321,816.94

Finding the Fourth Proportional to 15,327,574,502.26, 21,152,013,144.33 and 8,553,321,816.94

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Solution

The fourth proportional to 15,327,574,502.26, 21,152,013,144.33 and 8,553,321,816.94 is: 11,803,561,970.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,327,574,502.26 : 21,152,013,144.33 = 8,553,321,816.94 : x
  2. Step 2: Convert to fraction form
    15,327,574,502.26/21,152,013,144.33 = 8,553,321,816.94/x
  3. Step 3: Cross multiply
    15,327,574,502.26x = 21,152,013,144.33 × 8,553,321,816.94
  4. Step 4: Simplify right side
    15,327,574,502.26x = 180,919,975,499,599,446,016
  5. Step 5: Solve for x
    x = 180,919,975,499,599,446,016/15,327,574,502.26
  6. Step 6: Final answer
    x = 11,803,561,970.81

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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.