Home / 1,117,116,522.72-1,541,620,783.08-647,490,241.80

Finding the Fourth Proportional to 1,117,116,522.72, 1,541,620,783.08 and 647,490,241.80

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Solution

The fourth proportional to 1,117,116,522.72, 1,541,620,783.08 and 647,490,241.80 is: 893,536,523.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,116,522.72 : 1,541,620,783.08 = 647,490,241.80 : x
  2. Step 2: Convert to fraction form
    1,117,116,522.72/1,541,620,783.08 = 647,490,241.80/x
  3. Step 3: Cross multiply
    1,117,116,522.72x = 1,541,620,783.08 × 647,490,241.80
  4. Step 4: Simplify right side
    1,117,116,522.72x = 998,184,413,600,374,400
  5. Step 5: Solve for x
    x = 998,184,413,600,374,400/1,117,116,522.72
  6. Step 6: Final answer
    x = 893,536,523.09

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.