Home / 405,891,155.58-560,122,025.31-229,675,943.94

Finding the Fourth Proportional to 405,891,155.58, 560,122,025.31 and 229,675,943.94

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Solution

The fourth proportional to 405,891,155.58, 560,122,025.31 and 229,675,943.94 is: 316,948,406.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,891,155.58 : 560,122,025.31 = 229,675,943.94 : x
  2. Step 2: Convert to fraction form
    405,891,155.58/560,122,025.31 = 229,675,943.94/x
  3. Step 3: Cross multiply
    405,891,155.58x = 560,122,025.31 × 229,675,943.94
  4. Step 4: Simplify right side
    405,891,155.58x = 128,646,554,884,658,800
  5. Step 5: Solve for x
    x = 128,646,554,884,658,800/405,891,155.58
  6. Step 6: Final answer
    x = 316,948,406.28

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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.