Home / 629,674,057.95-869,228,871.29-406,764,451.71

Finding the Fourth Proportional to 629,674,057.95, 869,228,871.29 and 406,764,451.71

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Solution

The fourth proportional to 629,674,057.95, 869,228,871.29 and 406,764,451.71 is: 561,514,962.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,674,057.95 : 869,228,871.29 = 406,764,451.71 : x
  2. Step 2: Convert to fraction form
    629,674,057.95/869,228,871.29 = 406,764,451.71/x
  3. Step 3: Cross multiply
    629,674,057.95x = 869,228,871.29 × 406,764,451.71
  4. Step 4: Simplify right side
    629,674,057.95x = 353,571,405,238,745,152
  5. Step 5: Solve for x
    x = 353,571,405,238,745,152/629,674,057.95
  6. Step 6: Final answer
    x = 561,514,962.82

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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.