Home / 919,398,188.61-1,268,796,294.99-501,737,376.69

Finding the Fourth Proportional to 919,398,188.61, 1,268,796,294.99 and 501,737,376.69

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Solution

The fourth proportional to 919,398,188.61, 1,268,796,294.99 and 501,737,376.69 is: 692,412,202.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,398,188.61 : 1,268,796,294.99 = 501,737,376.69 : x
  2. Step 2: Convert to fraction form
    919,398,188.61/1,268,796,294.99 = 501,737,376.69/x
  3. Step 3: Cross multiply
    919,398,188.61x = 1,268,796,294.99 × 501,737,376.69
  4. Step 4: Simplify right side
    919,398,188.61x = 636,602,524,602,274,048
  5. Step 5: Solve for x
    x = 636,602,524,602,274,048/919,398,188.61
  6. Step 6: Final answer
    x = 692,412,202.34

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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.