Home / 1,218,633,562.30-1,826,674,539.30-509,988,142.06

Finding the Fourth Proportional to 1,218,633,562.30, 1,826,674,539.30 and 509,988,142.06

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Solution

The fourth proportional to 1,218,633,562.30, 1,826,674,539.30 and 509,988,142.06 is: 764,448,299.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,633,562.30 : 1,826,674,539.30 = 509,988,142.06 : x
  2. Step 2: Convert to fraction form
    1,218,633,562.30/1,826,674,539.30 = 509,988,142.06/x
  3. Step 3: Cross multiply
    1,218,633,562.30x = 1,826,674,539.30 × 509,988,142.06
  4. Step 4: Simplify right side
    1,218,633,562.30x = 931,582,354,445,913,472
  5. Step 5: Solve for x
    x = 931,582,354,445,913,472/1,218,633,562.30
  6. Step 6: Final answer
    x = 764,448,299.53

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Double scale
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1.5x scale

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.