Home / 468,057,278.55-645,608,031-301,004,742.78

Finding the Fourth Proportional to 468,057,278.55, 645,608,031 and 301,004,742.78

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Solution

The fourth proportional to 468,057,278.55, 645,608,031 and 301,004,742.78 is: 415,186,534.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,057,278.55 : 645,608,031 = 301,004,742.78 : x
  2. Step 2: Convert to fraction form
    468,057,278.55/645,608,031 = 301,004,742.78/x
  3. Step 3: Cross multiply
    468,057,278.55x = 645,608,031 × 301,004,742.78
  4. Step 4: Simplify right side
    468,057,278.55x = 194,331,079,307,857,248
  5. Step 5: Solve for x
    x = 194,331,079,307,857,248/468,057,278.55
  6. Step 6: Final answer
    x = 415,186,534.24

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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.