Home / 919,397,555.64-1,268,795,423.16-501,736,744.80

Finding the Fourth Proportional to 919,397,555.64, 1,268,795,423.16 and 501,736,744.80

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Solution

The fourth proportional to 919,397,555.64, 1,268,795,423.16 and 501,736,744.80 is: 692,411,331.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,397,555.64 : 1,268,795,423.16 = 501,736,744.80 : x
  2. Step 2: Convert to fraction form
    919,397,555.64/1,268,795,423.16 = 501,736,744.80/x
  3. Step 3: Cross multiply
    919,397,555.64x = 1,268,795,423.16 × 501,736,744.80
  4. Step 4: Simplify right side
    919,397,555.64x = 636,601,285,433,436,928
  5. Step 5: Solve for x
    x = 636,601,285,433,436,928/919,397,555.64
  6. Step 6: Final answer
    x = 692,411,331.23

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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.