Home / 1,586,222,537.84-2,188,075,130.52-990,472,715.12

Finding the Fourth Proportional to 1,586,222,537.84, 2,188,075,130.52 and 990,472,715.12

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Solution

The fourth proportional to 1,586,222,537.84, 2,188,075,130.52 and 990,472,715.12 is: 1,366,282,891.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,222,537.84 : 2,188,075,130.52 = 990,472,715.12 : x
  2. Step 2: Convert to fraction form
    1,586,222,537.84/2,188,075,130.52 = 990,472,715.12/x
  3. Step 3: Cross multiply
    1,586,222,537.84x = 2,188,075,130.52 × 990,472,715.12
  4. Step 4: Simplify right side
    1,586,222,537.84x = 2,167,228,715,412,692,736
  5. Step 5: Solve for x
    x = 2,167,228,715,412,692,736/1,586,222,537.84
  6. Step 6: Final answer
    x = 1,366,282,891.41

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Double scale
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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.