Home / 14,370,048,420.80-21,555,072,631.20-8,178,311,998.40

Finding the Fourth Proportional to 14,370,048,420.80, 21,555,072,631.20 and 8,178,311,998.40

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Solution

The fourth proportional to 14,370,048,420.80, 21,555,072,631.20 and 8,178,311,998.40 is: 12,267,467,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,370,048,420.80 : 21,555,072,631.20 = 8,178,311,998.40 : x
  2. Step 2: Convert to fraction form
    14,370,048,420.80/21,555,072,631.20 = 8,178,311,998.40/x
  3. Step 3: Cross multiply
    14,370,048,420.80x = 21,555,072,631.20 × 8,178,311,998.40
  4. Step 4: Simplify right side
    14,370,048,420.80x = 176,284,109,126,126,403,584
  5. Step 5: Solve for x
    x = 176,284,109,126,126,403,584/14,370,048,420.80
  6. Step 6: Final answer
    x = 12,267,467,997.60

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Double scale
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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.