Home / 640,032,457,885.24-959,665,292,240.49-203,710,883,950.39

Finding the Fourth Proportional to 640,032,457,885.24, 959,665,292,240.49 and 203,710,883,950.39

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Solution

The fourth proportional to 640,032,457,885.24, 959,665,292,240.49 and 203,710,883,950.39 is: 305,444,298,285.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,032,457,885.24 : 959,665,292,240.49 = 203,710,883,950.39 : x
  2. Step 2: Convert to fraction form
    640,032,457,885.24/959,665,292,240.49 = 203,710,883,950.39/x
  3. Step 3: Cross multiply
    640,032,457,885.24x = 959,665,292,240.49 × 203,710,883,950.39
  4. Step 4: Simplify right side
    640,032,457,885.24x = 195,494,264,978,819,564,699,648
  5. Step 5: Solve for x
    x = 195,494,264,978,819,564,699,648/640,032,457,885.24
  6. Step 6: Final answer
    x = 305,444,298,285.69

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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.