Home / 419,856,433.17-579,330,133.24-243,604,025.52

Finding the Fourth Proportional to 419,856,433.17, 579,330,133.24 and 243,604,025.52

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Solution

The fourth proportional to 419,856,433.17, 579,330,133.24 and 243,604,025.52 is: 336,131,928.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,856,433.17 : 579,330,133.24 = 243,604,025.52 : x
  2. Step 2: Convert to fraction form
    419,856,433.17/579,330,133.24 = 243,604,025.52/x
  3. Step 3: Cross multiply
    419,856,433.17x = 579,330,133.24 × 243,604,025.52
  4. Step 4: Simplify right side
    419,856,433.17x = 141,127,152,563,917,888
  5. Step 5: Solve for x
    x = 141,127,152,563,917,888/419,856,433.17
  6. Step 6: Final answer
    x = 336,131,928.47

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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.