Home / 1,418,146,758.78-2,127,507,129.64-498,094,841.94

Finding the Fourth Proportional to 1,418,146,758.78, 2,127,507,129.64 and 498,094,841.94

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Solution

The fourth proportional to 1,418,146,758.78, 2,127,507,129.64 and 498,094,841.94 is: 747,243,062.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,146,758.78 : 2,127,507,129.64 = 498,094,841.94 : x
  2. Step 2: Convert to fraction form
    1,418,146,758.78/2,127,507,129.64 = 498,094,841.94/x
  3. Step 3: Cross multiply
    1,418,146,758.78x = 2,127,507,129.64 × 498,094,841.94
  4. Step 4: Simplify right side
    1,418,146,758.78x = 1,059,700,327,464,258,944
  5. Step 5: Solve for x
    x = 1,059,700,327,464,258,944/1,418,146,758.78
  6. Step 6: Final answer
    x = 747,243,062.75

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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.