Home / 658,562,671.56-987,902,072.56-185,865,925.68

Finding the Fourth Proportional to 658,562,671.56, 987,902,072.56 and 185,865,925.68

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Solution

The fourth proportional to 658,562,671.56, 987,902,072.56 and 185,865,925.68 is: 278,815,276.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,562,671.56 : 987,902,072.56 = 185,865,925.68 : x
  2. Step 2: Convert to fraction form
    658,562,671.56/987,902,072.56 = 185,865,925.68/x
  3. Step 3: Cross multiply
    658,562,671.56x = 987,902,072.56 × 185,865,925.68
  4. Step 4: Simplify right side
    658,562,671.56x = 183,617,333,197,554,912
  5. Step 5: Solve for x
    x = 183,617,333,197,554,912/658,562,671.56
  6. Step 6: Final answer
    x = 278,815,276.25

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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.