Home / 467,720,635.83-645,446,648.12-258,872,307.27

Finding the Fourth Proportional to 467,720,635.83, 645,446,648.12 and 258,872,307.27

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Solution

The fourth proportional to 467,720,635.83, 645,446,648.12 and 258,872,307.27 is: 357,239,450.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,720,635.83 : 645,446,648.12 = 258,872,307.27 : x
  2. Step 2: Convert to fraction form
    467,720,635.83/645,446,648.12 = 258,872,307.27/x
  3. Step 3: Cross multiply
    467,720,635.83x = 645,446,648.12 × 258,872,307.27
  4. Step 4: Simplify right side
    467,720,635.83x = 167,088,263,017,217,856
  5. Step 5: Solve for x
    x = 167,088,263,017,217,856/467,720,635.83
  6. Step 6: Final answer
    x = 357,239,450.68

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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.