Home / 665,983,048,082.07-919,032,827,000.40-376,945,101,743.82

Finding the Fourth Proportional to 665,983,048,082.07, 919,032,827,000.40 and 376,945,101,743.82

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Solution

The fourth proportional to 665,983,048,082.07, 919,032,827,000.40 and 376,945,101,743.82 is: 520,170,781,339.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,983,048,082.07 : 919,032,827,000.40 = 376,945,101,743.82 : x
  2. Step 2: Convert to fraction form
    665,983,048,082.07/919,032,827,000.40 = 376,945,101,743.82/x
  3. Step 3: Cross multiply
    665,983,048,082.07x = 919,032,827,000.40 × 376,945,101,743.82
  4. Step 4: Simplify right side
    665,983,048,082.07x = 346,424,922,479,576,303,534,080
  5. Step 5: Solve for x
    x = 346,424,922,479,576,303,534,080/665,983,048,082.07
  6. Step 6: Final answer
    x = 520,170,781,339.30

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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.