Home / 1,090,849,300.11-1,505,376,631.38-614,545,383.75

Finding the Fourth Proportional to 1,090,849,300.11, 1,505,376,631.38 and 614,545,383.75

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Solution

The fourth proportional to 1,090,849,300.11, 1,505,376,631.38 and 614,545,383.75 is: 848,075,219.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,849,300.11 : 1,505,376,631.38 = 614,545,383.75 : x
  2. Step 2: Convert to fraction form
    1,090,849,300.11/1,505,376,631.38 = 614,545,383.75/x
  3. Step 3: Cross multiply
    1,090,849,300.11x = 1,505,376,631.38 × 614,545,383.75
  4. Step 4: Simplify right side
    1,090,849,300.11x = 925,122,259,616,333,056
  5. Step 5: Solve for x
    x = 925,122,259,616,333,056/1,090,849,300.11
  6. Step 6: Final answer
    x = 848,075,219.49

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Half scale
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Double scale
Find fourth proportional to 1,090,849,301.11, 1,505,376,632.76 and 614,545,384.75
Similar ratio
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1.5x scale

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.