Home / 14,551,489,387.80-21,827,234,081.70-7,939,513,042.20

Finding the Fourth Proportional to 14,551,489,387.80, 21,827,234,081.70 and 7,939,513,042.20

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Solution

The fourth proportional to 14,551,489,387.80, 21,827,234,081.70 and 7,939,513,042.20 is: 11,909,269,563.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,551,489,387.80 : 21,827,234,081.70 = 7,939,513,042.20 : x
  2. Step 2: Convert to fraction form
    14,551,489,387.80/21,827,234,081.70 = 7,939,513,042.20/x
  3. Step 3: Cross multiply
    14,551,489,387.80x = 21,827,234,081.70 × 7,939,513,042.20
  4. Step 4: Simplify right side
    14,551,489,387.80x = 173,297,609,666,809,495,552
  5. Step 5: Solve for x
    x = 173,297,609,666,809,495,552/14,551,489,387.80
  6. Step 6: Final answer
    x = 11,909,269,563.30

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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.