Home / 11,754,770,926.40-16,220,971,502.88-7,299,339,721.28

Finding the Fourth Proportional to 11,754,770,926.40, 16,220,971,502.88 and 7,299,339,721.28

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Solution

The fourth proportional to 11,754,770,926.40, 16,220,971,502.88 and 7,299,339,721.28 is: 10,072,708,549.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,754,770,926.40 : 16,220,971,502.88 = 7,299,339,721.28 : x
  2. Step 2: Convert to fraction form
    11,754,770,926.40/16,220,971,502.88 = 7,299,339,721.28/x
  3. Step 3: Cross multiply
    11,754,770,926.40x = 16,220,971,502.88 × 7,299,339,721.28
  4. Step 4: Simplify right side
    11,754,770,926.40x = 118,402,381,608,722,907,136
  5. Step 5: Solve for x
    x = 118,402,381,608,722,907,136/11,754,770,926.40
  6. Step 6: Final answer
    x = 10,072,708,549.58

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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.