Home / 9,631,213,347.20-14,446,820,020.80-8,161,885,270.40

Finding the Fourth Proportional to 9,631,213,347.20, 14,446,820,020.80 and 8,161,885,270.40

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Solution

The fourth proportional to 9,631,213,347.20, 14,446,820,020.80 and 8,161,885,270.40 is: 12,242,827,905.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,631,213,347.20 : 14,446,820,020.80 = 8,161,885,270.40 : x
  2. Step 2: Convert to fraction form
    9,631,213,347.20/14,446,820,020.80 = 8,161,885,270.40/x
  3. Step 3: Cross multiply
    9,631,213,347.20x = 14,446,820,020.80 × 8,161,885,270.40
  4. Step 4: Simplify right side
    9,631,213,347.20x = 117,913,287,531,887,329,280
  5. Step 5: Solve for x
    x = 117,913,287,531,887,329,280/9,631,213,347.20
  6. Step 6: Final answer
    x = 12,242,827,905.60

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Similar ratio
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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.