Home / 466,157,007.62-643,296,573.52-257,313,094.92

Finding the Fourth Proportional to 466,157,007.62, 643,296,573.52 and 257,313,094.92

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Solution

The fourth proportional to 466,157,007.62, 643,296,573.52 and 257,313,094.92 is: 355,092,017.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,157,007.62 : 643,296,573.52 = 257,313,094.92 : x
  2. Step 2: Convert to fraction form
    466,157,007.62/643,296,573.52 = 257,313,094.92/x
  3. Step 3: Cross multiply
    466,157,007.62x = 643,296,573.52 × 257,313,094.92
  4. Step 4: Simplify right side
    466,157,007.62x = 165,528,632,283,862,496
  5. Step 5: Solve for x
    x = 165,528,632,283,862,496/466,157,007.62
  6. Step 6: Final answer
    x = 355,092,017.45

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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.