Home / 1,090,849,298.78-1,505,376,629.70-614,545,382.72

Finding the Fourth Proportional to 1,090,849,298.78, 1,505,376,629.70 and 614,545,382.72

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Solution

The fourth proportional to 1,090,849,298.78, 1,505,376,629.70 and 614,545,382.72 is: 848,075,218.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,849,298.78 : 1,505,376,629.70 = 614,545,382.72 : x
  2. Step 2: Convert to fraction form
    1,090,849,298.78/1,505,376,629.70 = 614,545,382.72/x
  3. Step 3: Cross multiply
    1,090,849,298.78x = 1,505,376,629.70 × 614,545,382.72
  4. Step 4: Simplify right side
    1,090,849,298.78x = 925,122,257,036,730,240
  5. Step 5: Solve for x
    x = 925,122,257,036,730,240/1,090,849,298.78
  6. Step 6: Final answer
    x = 848,075,218.15

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Half scale
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Double scale
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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.