Home / 868,045,347.30-1,302,068,020.95-322,674,032.10

Finding the Fourth Proportional to 868,045,347.30, 1,302,068,020.95 and 322,674,032.10

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Solution

The fourth proportional to 868,045,347.30, 1,302,068,020.95 and 322,674,032.10 is: 484,011,048.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,045,347.30 : 1,302,068,020.95 = 322,674,032.10 : x
  2. Step 2: Convert to fraction form
    868,045,347.30/1,302,068,020.95 = 322,674,032.10/x
  3. Step 3: Cross multiply
    868,045,347.30x = 1,302,068,020.95 × 322,674,032.10
  4. Step 4: Simplify right side
    868,045,347.30x = 420,143,538,388,403,840
  5. Step 5: Solve for x
    x = 420,143,538,388,403,840/868,045,347.30
  6. Step 6: Final answer
    x = 484,011,048.15

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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.