Home / 868,045,389.30-1,302,068,083.96-322,674,074.10

Finding the Fourth Proportional to 868,045,389.30, 1,302,068,083.96 and 322,674,074.10

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Solution

The fourth proportional to 868,045,389.30, 1,302,068,083.96 and 322,674,074.10 is: 484,011,111.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,045,389.30 : 1,302,068,083.96 = 322,674,074.10 : x
  2. Step 2: Convert to fraction form
    868,045,389.30/1,302,068,083.96 = 322,674,074.10/x
  3. Step 3: Cross multiply
    868,045,389.30x = 1,302,068,083.96 × 322,674,074.10
  4. Step 4: Simplify right side
    868,045,389.30x = 420,143,613,406,954,112
  5. Step 5: Solve for x
    x = 420,143,613,406,954,112/868,045,389.30
  6. Step 6: Final answer
    x = 484,011,111.15

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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.