Home / 8,013,412,343.82-12,020,118,889.59-5,489,852,133.63

Finding the Fourth Proportional to 8,013,412,343.82, 12,020,118,889.59 and 5,489,852,133.63

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Solution

The fourth proportional to 8,013,412,343.82, 12,020,118,889.59 and 5,489,852,133.63 is: 8,234,778,456.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,013,412,343.82 : 12,020,118,889.59 = 5,489,852,133.63 : x
  2. Step 2: Convert to fraction form
    8,013,412,343.82/12,020,118,889.59 = 5,489,852,133.63/x
  3. Step 3: Cross multiply
    8,013,412,343.82x = 12,020,118,889.59 × 5,489,852,133.63
  4. Step 4: Simplify right side
    8,013,412,343.82x = 65,988,675,332,501,929,984
  5. Step 5: Solve for x
    x = 65,988,675,332,501,929,984/8,013,412,343.82
  6. Step 6: Final answer
    x = 8,234,778,456.57

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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.