Home / 431,227,630.53-595,585,009.90-289,853,407

Finding the Fourth Proportional to 431,227,630.53, 595,585,009.90 and 289,853,407

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Solution

The fourth proportional to 431,227,630.53, 595,585,009.90 and 289,853,407 is: 400,327,650.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,227,630.53 : 595,585,009.90 = 289,853,407 : x
  2. Step 2: Convert to fraction form
    431,227,630.53/595,585,009.90 = 289,853,407/x
  3. Step 3: Cross multiply
    431,227,630.53x = 595,585,009.90 × 289,853,407
  4. Step 4: Simplify right side
    431,227,630.53x = 172,632,344,277,643,712
  5. Step 5: Solve for x
    x = 172,632,344,277,643,712/431,227,630.53
  6. Step 6: Final answer
    x = 400,327,650.77

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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.