Home / 474,105,867,381.42-654,248,577,549.45-257,327,407,628.30

Finding the Fourth Proportional to 474,105,867,381.42, 654,248,577,549.45 and 257,327,407,628.30

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Solution

The fourth proportional to 474,105,867,381.42, 654,248,577,549.45 and 257,327,407,628.30 is: 355,102,313,614.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,105,867,381.42 : 654,248,577,549.45 = 257,327,407,628.30 : x
  2. Step 2: Convert to fraction form
    474,105,867,381.42/654,248,577,549.45 = 257,327,407,628.30/x
  3. Step 3: Cross multiply
    474,105,867,381.42x = 654,248,577,549.45 × 257,327,407,628.30
  4. Step 4: Simplify right side
    474,105,867,381.42x = 168,356,090,405,302,745,169,920
  5. Step 5: Solve for x
    x = 168,356,090,405,302,745,169,920/474,105,867,381.42
  6. Step 6: Final answer
    x = 355,102,313,614.40

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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.