Home / 457,663,137.26-631,709,541.33-298,917,528.59

Finding the Fourth Proportional to 457,663,137.26, 631,709,541.33 and 298,917,528.59

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Solution

The fourth proportional to 457,663,137.26, 631,709,541.33 and 298,917,528.59 is: 412,593,979.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,663,137.26 : 631,709,541.33 = 298,917,528.59 : x
  2. Step 2: Convert to fraction form
    457,663,137.26/631,709,541.33 = 298,917,528.59/x
  3. Step 3: Cross multiply
    457,663,137.26x = 631,709,541.33 × 298,917,528.59
  4. Step 4: Simplify right side
    457,663,137.26x = 188,829,054,881,544,352
  5. Step 5: Solve for x
    x = 188,829,054,881,544,352/457,663,137.26
  6. Step 6: Final answer
    x = 412,593,979.09

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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.