Home / 13,688,678,005.44-20,497,654,491.48-9,447,456,490.80

Finding the Fourth Proportional to 13,688,678,005.44, 20,497,654,491.48 and 9,447,456,490.80

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Solution

The fourth proportional to 13,688,678,005.44, 20,497,654,491.48 and 9,447,456,490.80 is: 14,146,778,738.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,688,678,005.44 : 20,497,654,491.48 = 9,447,456,490.80 : x
  2. Step 2: Convert to fraction form
    13,688,678,005.44/20,497,654,491.48 = 9,447,456,490.80/x
  3. Step 3: Cross multiply
    13,688,678,005.44x = 20,497,654,491.48 × 9,447,456,490.80
  4. Step 4: Simplify right side
    13,688,678,005.44x = 193,650,698,971,708,489,728
  5. Step 5: Solve for x
    x = 193,650,698,971,708,489,728/13,688,678,005.44
  6. Step 6: Final answer
    x = 14,146,778,738.95

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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.