Home / 868,045,381.30-1,302,068,071.96-322,674,066.10

Finding the Fourth Proportional to 868,045,381.30, 1,302,068,071.96 and 322,674,066.10

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Solution

The fourth proportional to 868,045,381.30, 1,302,068,071.96 and 322,674,066.10 is: 484,011,099.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,045,381.30 : 1,302,068,071.96 = 322,674,066.10 : x
  2. Step 2: Convert to fraction form
    868,045,381.30/1,302,068,071.96 = 322,674,066.10/x
  3. Step 3: Cross multiply
    868,045,381.30x = 1,302,068,071.96 × 322,674,066.10
  4. Step 4: Simplify right side
    868,045,381.30x = 420,143,599,118,320,640
  5. Step 5: Solve for x
    x = 420,143,599,118,320,640/868,045,381.30
  6. Step 6: Final answer
    x = 484,011,099.15

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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.