Home / 570,457,140.35-856,003,642.01-308,136,404.75

Finding the Fourth Proportional to 570,457,140.35, 856,003,642.01 and 308,136,404.75

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Solution

The fourth proportional to 570,457,140.35, 856,003,642.01 and 308,136,404.75 is: 462,376,340.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,457,140.35 : 856,003,642.01 = 308,136,404.75 : x
  2. Step 2: Convert to fraction form
    570,457,140.35/856,003,642.01 = 308,136,404.75/x
  3. Step 3: Cross multiply
    570,457,140.35x = 856,003,642.01 × 308,136,404.75
  4. Step 4: Simplify right side
    570,457,140.35x = 263,765,884,704,777,824
  5. Step 5: Solve for x
    x = 263,765,884,704,777,824/570,457,140.35
  6. Step 6: Final answer
    x = 462,376,340.04

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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.