Home / 1,180,831,586.13-1,629,537,900.66-644,983,593.18

Finding the Fourth Proportional to 1,180,831,586.13, 1,629,537,900.66 and 644,983,593.18

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Solution

The fourth proportional to 1,180,831,586.13, 1,629,537,900.66 and 644,983,593.18 is: 890,072,066.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,831,586.13 : 1,629,537,900.66 = 644,983,593.18 : x
  2. Step 2: Convert to fraction form
    1,180,831,586.13/1,629,537,900.66 = 644,983,593.18/x
  3. Step 3: Cross multiply
    1,180,831,586.13x = 1,629,537,900.66 × 644,983,593.18
  4. Step 4: Simplify right side
    1,180,831,586.13x = 1,051,025,210,390,680,704
  5. Step 5: Solve for x
    x = 1,051,025,210,390,680,704/1,180,831,586.13
  6. Step 6: Final answer
    x = 890,072,066.78

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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.