Home / 1,146,146,114.83-1,581,672,130.53-644,357,135.22

Finding the Fourth Proportional to 1,146,146,114.83, 1,581,672,130.53 and 644,357,135.22

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Solution

The fourth proportional to 1,146,146,114.83, 1,581,672,130.53 and 644,357,135.22 is: 889,207,501.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,146,114.83 : 1,581,672,130.53 = 644,357,135.22 : x
  2. Step 2: Convert to fraction form
    1,146,146,114.83/1,581,672,130.53 = 644,357,135.22/x
  3. Step 3: Cross multiply
    1,146,146,114.83x = 1,581,672,130.53 × 644,357,135.22
  4. Step 4: Simplify right side
    1,146,146,114.83x = 1,019,161,722,885,624,704
  5. Step 5: Solve for x
    x = 1,019,161,722,885,624,704/1,146,146,114.83
  6. Step 6: Final answer
    x = 889,207,501.29

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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.