Home / 612,552,757.20-918,829,135.80-203,555,763.60

Finding the Fourth Proportional to 612,552,757.20, 918,829,135.80 and 203,555,763.60

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Solution

The fourth proportional to 612,552,757.20, 918,829,135.80 and 203,555,763.60 is: 305,333,645.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,552,757.20 : 918,829,135.80 = 203,555,763.60 : x
  2. Step 2: Convert to fraction form
    612,552,757.20/918,829,135.80 = 203,555,763.60/x
  3. Step 3: Cross multiply
    612,552,757.20x = 918,829,135.80 × 203,555,763.60
  4. Step 4: Simplify right side
    612,552,757.20x = 187,032,966,355,697,088
  5. Step 5: Solve for x
    x = 187,032,966,355,697,088/612,552,757.20
  6. Step 6: Final answer
    x = 305,333,645.40

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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.