Home / 526,852,346.88-727,055,670.68-288,703,338.24

Finding the Fourth Proportional to 526,852,346.88, 727,055,670.68 and 288,703,338.24

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Solution

The fourth proportional to 526,852,346.88, 727,055,670.68 and 288,703,338.24 is: 398,410,295.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,852,346.88 : 727,055,670.68 = 288,703,338.24 : x
  2. Step 2: Convert to fraction form
    526,852,346.88/727,055,670.68 = 288,703,338.24/x
  3. Step 3: Cross multiply
    526,852,346.88x = 727,055,670.68 × 288,703,338.24
  4. Step 4: Simplify right side
    526,852,346.88x = 209,903,399,211,638,080
  5. Step 5: Solve for x
    x = 209,903,399,211,638,080/526,852,346.88
  6. Step 6: Final answer
    x = 398,410,295.51

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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.