Home / 659,196,791.06-909,277,785.90-391,082,803.29

Finding the Fourth Proportional to 659,196,791.06, 909,277,785.90 and 391,082,803.29

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Solution

The fourth proportional to 659,196,791.06, 909,277,785.90 and 391,082,803.29 is: 539,448,781.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,196,791.06 : 909,277,785.90 = 391,082,803.29 : x
  2. Step 2: Convert to fraction form
    659,196,791.06/909,277,785.90 = 391,082,803.29/x
  3. Step 3: Cross multiply
    659,196,791.06x = 909,277,785.90 × 391,082,803.29
  4. Step 4: Simplify right side
    659,196,791.06x = 355,602,905,479,096,448
  5. Step 5: Solve for x
    x = 355,602,905,479,096,448/659,196,791.06
  6. Step 6: Final answer
    x = 539,448,781.16

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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.