Home / 749,152,307.51-1,123,836,133.41-231,623,104.31

Finding the Fourth Proportional to 749,152,307.51, 1,123,836,133.41 and 231,623,104.31

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Solution

The fourth proportional to 749,152,307.51, 1,123,836,133.41 and 231,623,104.31 is: 347,467,946.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,152,307.51 : 1,123,836,133.41 = 231,623,104.31 : x
  2. Step 2: Convert to fraction form
    749,152,307.51/1,123,836,133.41 = 231,623,104.31/x
  3. Step 3: Cross multiply
    749,152,307.51x = 1,123,836,133.41 × 231,623,104.31
  4. Step 4: Simplify right side
    749,152,307.51x = 260,306,413,950,552,352
  5. Step 5: Solve for x
    x = 260,306,413,950,552,352/749,152,307.51
  6. Step 6: Final answer
    x = 347,467,946.56

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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.