Home / 1,218,633,551.18-1,826,674,522.67-509,988,130.97

Finding the Fourth Proportional to 1,218,633,551.18, 1,826,674,522.67 and 509,988,130.97

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Solution

The fourth proportional to 1,218,633,551.18, 1,826,674,522.67 and 509,988,130.97 is: 764,448,282.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,633,551.18 : 1,826,674,522.67 = 509,988,130.97 : x
  2. Step 2: Convert to fraction form
    1,218,633,551.18/1,826,674,522.67 = 509,988,130.97/x
  3. Step 3: Cross multiply
    1,218,633,551.18x = 1,826,674,522.67 × 509,988,130.97
  4. Step 4: Simplify right side
    1,218,633,551.18x = 931,582,325,699,131,648
  5. Step 5: Solve for x
    x = 931,582,325,699,131,648/1,218,633,551.18
  6. Step 6: Final answer
    x = 764,448,282.91

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Half scale
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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.