Home / 9,631,213,411.20-14,446,820,116.80-8,161,885,334.40

Finding the Fourth Proportional to 9,631,213,411.20, 14,446,820,116.80 and 8,161,885,334.40

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Solution

The fourth proportional to 9,631,213,411.20, 14,446,820,116.80 and 8,161,885,334.40 is: 12,242,828,001.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,631,213,411.20 : 14,446,820,116.80 = 8,161,885,334.40 : x
  2. Step 2: Convert to fraction form
    9,631,213,411.20/14,446,820,116.80 = 8,161,885,334.40/x
  3. Step 3: Cross multiply
    9,631,213,411.20x = 14,446,820,116.80 × 8,161,885,334.40
  4. Step 4: Simplify right side
    9,631,213,411.20x = 117,913,289,240,024,809,472
  5. Step 5: Solve for x
    x = 117,913,289,240,024,809,472/9,631,213,411.20
  6. Step 6: Final answer
    x = 12,242,828,001.60

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Double scale
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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.