Home / 18,982,285,840.16-28,453,497,047.32-6,386,771,765.20

Finding the Fourth Proportional to 18,982,285,840.16, 28,453,497,047.32 and 6,386,771,765.20

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Solution

The fourth proportional to 18,982,285,840.16, 28,453,497,047.32 and 6,386,771,765.20 is: 9,573,451,432.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,982,285,840.16 : 28,453,497,047.32 = 6,386,771,765.20 : x
  2. Step 2: Convert to fraction form
    18,982,285,840.16/28,453,497,047.32 = 6,386,771,765.20/x
  3. Step 3: Cross multiply
    18,982,285,840.16x = 28,453,497,047.32 × 6,386,771,765.20
  4. Step 4: Simplify right side
    18,982,285,840.16x = 181,725,991,563,024,924,672
  5. Step 5: Solve for x
    x = 181,725,991,563,024,924,672/18,982,285,840.16
  6. Step 6: Final answer
    x = 9,573,451,432.21

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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.