Home / 1,213,088,892.55-1,819,633,338.83-486,598,985.35

Finding the Fourth Proportional to 1,213,088,892.55, 1,819,633,338.83 and 486,598,985.35

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Solution

The fourth proportional to 1,213,088,892.55, 1,819,633,338.83 and 486,598,985.35 is: 729,898,478.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,088,892.55 : 1,819,633,338.83 = 486,598,985.35 : x
  2. Step 2: Convert to fraction form
    1,213,088,892.55/1,819,633,338.83 = 486,598,985.35/x
  3. Step 3: Cross multiply
    1,213,088,892.55x = 1,819,633,338.83 × 486,598,985.35
  4. Step 4: Simplify right side
    1,213,088,892.55x = 885,431,736,383,710,720
  5. Step 5: Solve for x
    x = 885,431,736,383,710,720/1,213,088,892.55
  6. Step 6: Final answer
    x = 729,898,478.03

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Double scale
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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.