Home / 853,384,234.80-1,280,076,352.20-577,885,220.40

Finding the Fourth Proportional to 853,384,234.80, 1,280,076,352.20 and 577,885,220.40

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Solution

The fourth proportional to 853,384,234.80, 1,280,076,352.20 and 577,885,220.40 is: 866,827,830.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,384,234.80 : 1,280,076,352.20 = 577,885,220.40 : x
  2. Step 2: Convert to fraction form
    853,384,234.80/1,280,076,352.20 = 577,885,220.40/x
  3. Step 3: Cross multiply
    853,384,234.80x = 1,280,076,352.20 × 577,885,220.40
  4. Step 4: Simplify right side
    853,384,234.80x = 739,737,204,919,924,992
  5. Step 5: Solve for x
    x = 739,737,204,919,924,992/853,384,234.80
  6. Step 6: Final answer
    x = 866,827,830.60

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1.5x scale

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.