Home / 987,530,616,000.20-1,481,295,924,000.30-316,828,265,443.40

Finding the Fourth Proportional to 987,530,616,000.20, 1,481,295,924,000.30 and 316,828,265,443.40

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Solution

The fourth proportional to 987,530,616,000.20, 1,481,295,924,000.30 and 316,828,265,443.40 is: 475,242,398,165.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,530,616,000.20 : 1,481,295,924,000.30 = 316,828,265,443.40 : x
  2. Step 2: Convert to fraction form
    987,530,616,000.20/1,481,295,924,000.30 = 316,828,265,443.40/x
  3. Step 3: Cross multiply
    987,530,616,000.20x = 1,481,295,924,000.30 × 316,828,265,443.40
  4. Step 4: Simplify right side
    987,530,616,000.20x = 469,316,418,209,393,569,431,552
  5. Step 5: Solve for x
    x = 469,316,418,209,393,569,431,552/987,530,616,000.20
  6. Step 6: Final answer
    x = 475,242,398,165.10

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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.