Home / 690,794,220.60-1,035,896,381.16-399,862,159.56

Finding the Fourth Proportional to 690,794,220.60, 1,035,896,381.16 and 399,862,159.56

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Solution

The fourth proportional to 690,794,220.60, 1,035,896,381.16 and 399,862,159.56 is: 599,622,509.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,794,220.60 : 1,035,896,381.16 = 399,862,159.56 : x
  2. Step 2: Convert to fraction form
    690,794,220.60/1,035,896,381.16 = 399,862,159.56/x
  3. Step 3: Cross multiply
    690,794,220.60x = 1,035,896,381.16 × 399,862,159.56
  4. Step 4: Simplify right side
    690,794,220.60x = 414,215,764,051,026,496
  5. Step 5: Solve for x
    x = 414,215,764,051,026,496/690,794,220.60
  6. Step 6: Final answer
    x = 599,622,509.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.