Home / 733,274,581.30-1,011,945,530.94-420,069,328.18

Finding the Fourth Proportional to 733,274,581.30, 1,011,945,530.94 and 420,069,328.18

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Solution

The fourth proportional to 733,274,581.30, 1,011,945,530.94 and 420,069,328.18 is: 579,710,916.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,274,581.30 : 1,011,945,530.94 = 420,069,328.18 : x
  2. Step 2: Convert to fraction form
    733,274,581.30/1,011,945,530.94 = 420,069,328.18/x
  3. Step 3: Cross multiply
    733,274,581.30x = 1,011,945,530.94 × 420,069,328.18
  4. Step 4: Simplify right side
    733,274,581.30x = 425,087,279,336,719,232
  5. Step 5: Solve for x
    x = 425,087,279,336,719,232/733,274,581.30
  6. Step 6: Final answer
    x = 579,710,916.18

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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.