Home / 8,181,523,490.47-11,290,780,996.58-4,747,955,966.12

Finding the Fourth Proportional to 8,181,523,490.47, 11,290,780,996.58 and 4,747,955,966.12

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Solution

The fourth proportional to 8,181,523,490.47, 11,290,780,996.58 and 4,747,955,966.12 is: 6,552,340,900.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181,523,490.47 : 11,290,780,996.58 = 4,747,955,966.12 : x
  2. Step 2: Convert to fraction form
    8,181,523,490.47/11,290,780,996.58 = 4,747,955,966.12/x
  3. Step 3: Cross multiply
    8,181,523,490.47x = 11,290,780,996.58 × 4,747,955,966.12
  4. Step 4: Simplify right side
    8,181,523,490.47x = 53,608,130,994,908,807,168
  5. Step 5: Solve for x
    x = 53,608,130,994,908,807,168/8,181,523,490.47
  6. Step 6: Final answer
    x = 6,552,340,900.49

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Double scale
Find fourth proportional to 8,181,523,491.47, 11,290,780,997.96 and 4,747,955,967.12
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.