Home / 304,889,800.71-457,344,643.68-145,138,429.02

Finding the Fourth Proportional to 304,889,800.71, 457,344,643.68 and 145,138,429.02

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Solution

The fourth proportional to 304,889,800.71, 457,344,643.68 and 145,138,429.02 is: 217,712,376.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,889,800.71 : 457,344,643.68 = 145,138,429.02 : x
  2. Step 2: Convert to fraction form
    304,889,800.71/457,344,643.68 = 145,138,429.02/x
  3. Step 3: Cross multiply
    304,889,800.71x = 457,344,643.68 × 145,138,429.02
  4. Step 4: Simplify right side
    304,889,800.71x = 66,378,283,104,426,880
  5. Step 5: Solve for x
    x = 66,378,283,104,426,880/304,889,800.71
  6. Step 6: Final answer
    x = 217,712,376.57

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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.