Home / 421,830,887.58-632,515,666.59-334,950,497.71

Finding the Fourth Proportional to 421,830,887.58, 632,515,666.59 and 334,950,497.71

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Solution

The fourth proportional to 421,830,887.58, 632,515,666.59 and 334,950,497.71 is: 502,242,589.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,830,887.58 : 632,515,666.59 = 334,950,497.71 : x
  2. Step 2: Convert to fraction form
    421,830,887.58/632,515,666.59 = 334,950,497.71/x
  3. Step 3: Cross multiply
    421,830,887.58x = 632,515,666.59 × 334,950,497.71
  4. Step 4: Simplify right side
    421,830,887.58x = 211,861,437,332,044,672
  5. Step 5: Solve for x
    x = 211,861,437,332,044,672/421,830,887.58
  6. Step 6: Final answer
    x = 502,242,589.56

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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.