Home / 994,107,699.12-1,371,870,136.44-554,065,103.28

Finding the Fourth Proportional to 994,107,699.12, 1,371,870,136.44 and 554,065,103.28

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Solution

The fourth proportional to 994,107,699.12, 1,371,870,136.44 and 554,065,103.28 is: 764,610,685.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,107,699.12 : 1,371,870,136.44 = 554,065,103.28 : x
  2. Step 2: Convert to fraction form
    994,107,699.12/1,371,870,136.44 = 554,065,103.28/x
  3. Step 3: Cross multiply
    994,107,699.12x = 1,371,870,136.44 × 554,065,103.28
  4. Step 4: Simplify right side
    994,107,699.12x = 760,105,368,833,376,256
  5. Step 5: Solve for x
    x = 760,105,368,833,376,256/994,107,699.12
  6. Step 6: Final answer
    x = 764,610,685.05

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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.