Home / 458,065,809.40-687,098,714.10-276,667,281.40

Finding the Fourth Proportional to 458,065,809.40, 687,098,714.10 and 276,667,281.40

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Solution

The fourth proportional to 458,065,809.40, 687,098,714.10 and 276,667,281.40 is: 415,000,922.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,065,809.40 : 687,098,714.10 = 276,667,281.40 : x
  2. Step 2: Convert to fraction form
    458,065,809.40/687,098,714.10 = 276,667,281.40/x
  3. Step 3: Cross multiply
    458,065,809.40x = 687,098,714.10 × 276,667,281.40
  4. Step 4: Simplify right side
    458,065,809.40x = 190,097,733,283,482,848
  5. Step 5: Solve for x
    x = 190,097,733,283,482,848/458,065,809.40
  6. Step 6: Final answer
    x = 415,000,922.10

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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.