Home / 674,048,591.28-930,190,495.68-376,695,796.32

Finding the Fourth Proportional to 674,048,591.28, 930,190,495.68 and 376,695,796.32

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Solution

The fourth proportional to 674,048,591.28, 930,190,495.68 and 376,695,796.32 is: 519,842,121.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,048,591.28 : 930,190,495.68 = 376,695,796.32 : x
  2. Step 2: Convert to fraction form
    674,048,591.28/930,190,495.68 = 376,695,796.32/x
  3. Step 3: Cross multiply
    674,048,591.28x = 930,190,495.68 × 376,695,796.32
  4. Step 4: Simplify right side
    674,048,591.28x = 350,398,849,499,473,088
  5. Step 5: Solve for x
    x = 350,398,849,499,473,088/674,048,591.28
  6. Step 6: Final answer
    x = 519,842,121.22

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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.