Home / 1,294,461,585.60-1,941,728,555.15-421,062,957.38

Finding the Fourth Proportional to 1,294,461,585.60, 1,941,728,555.15 and 421,062,957.38

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Solution

The fourth proportional to 1,294,461,585.60, 1,941,728,555.15 and 421,062,957.38 is: 631,606,203.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,461,585.60 : 1,941,728,555.15 = 421,062,957.38 : x
  2. Step 2: Convert to fraction form
    1,294,461,585.60/1,941,728,555.15 = 421,062,957.38/x
  3. Step 3: Cross multiply
    1,294,461,585.60x = 1,941,728,555.15 × 421,062,957.38
  4. Step 4: Simplify right side
    1,294,461,585.60x = 817,589,967,848,839,424
  5. Step 5: Solve for x
    x = 817,589,967,848,839,424/1,294,461,585.60
  6. Step 6: Final answer
    x = 631,606,203.65

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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.