Home / 473,446,764.90-653,328,343.50-261,740,911.20

Finding the Fourth Proportional to 473,446,764.90, 653,328,343.50 and 261,740,911.20

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Solution

The fourth proportional to 473,446,764.90, 653,328,343.50 and 261,740,911.20 is: 361,186,871.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,446,764.90 : 653,328,343.50 = 261,740,911.20 : x
  2. Step 2: Convert to fraction form
    473,446,764.90/653,328,343.50 = 261,740,911.20/x
  3. Step 3: Cross multiply
    473,446,764.90x = 653,328,343.50 × 261,740,911.20
  4. Step 4: Simplify right side
    473,446,764.90x = 171,002,755,940,476,576
  5. Step 5: Solve for x
    x = 171,002,755,940,476,576/473,446,764.90
  6. Step 6: Final answer
    x = 361,186,871.72

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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.