Home / 1,180,877,285.78-1,770,630,638.60-559,087,297.64

Finding the Fourth Proportional to 1,180,877,285.78, 1,770,630,638.60 and 559,087,297.64

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Solution

The fourth proportional to 1,180,877,285.78, 1,770,630,638.60 and 559,087,297.64 is: 838,306,495.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,877,285.78 : 1,770,630,638.60 = 559,087,297.64 : x
  2. Step 2: Convert to fraction form
    1,180,877,285.78/1,770,630,638.60 = 559,087,297.64/x
  3. Step 3: Cross multiply
    1,180,877,285.78x = 1,770,630,638.60 × 559,087,297.64
  4. Step 4: Simplify right side
    1,180,877,285.78x = 989,937,098,853,461,376
  5. Step 5: Solve for x
    x = 989,937,098,853,461,376/1,180,877,285.78
  6. Step 6: Final answer
    x = 838,306,495.33

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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.