Home / 572,196,949.99-857,044,064.22-405,695,758.69

Finding the Fourth Proportional to 572,196,949.99, 857,044,064.22 and 405,695,758.69

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Solution

The fourth proportional to 572,196,949.99, 857,044,064.22 and 405,695,758.69 is: 607,656,405.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,196,949.99 : 857,044,064.22 = 405,695,758.69 : x
  2. Step 2: Convert to fraction form
    572,196,949.99/857,044,064.22 = 405,695,758.69/x
  3. Step 3: Cross multiply
    572,196,949.99x = 857,044,064.22 × 405,695,758.69
  4. Step 4: Simplify right side
    572,196,949.99x = 347,699,141,862,351,360
  5. Step 5: Solve for x
    x = 347,699,141,862,351,360/572,196,949.99
  6. Step 6: Final answer
    x = 607,656,405.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.