Home / 526,852,344.60-727,055,667.58-288,703,336

Finding the Fourth Proportional to 526,852,344.60, 727,055,667.58 and 288,703,336

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Solution

The fourth proportional to 526,852,344.60, 727,055,667.58 and 288,703,336 is: 398,410,292.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,852,344.60 : 727,055,667.58 = 288,703,336 : x
  2. Step 2: Convert to fraction form
    526,852,344.60/727,055,667.58 = 288,703,336/x
  3. Step 3: Cross multiply
    526,852,344.60x = 727,055,667.58 × 288,703,336
  4. Step 4: Simplify right side
    526,852,344.60x = 209,903,396,688,053,056
  5. Step 5: Solve for x
    x = 209,903,396,688,053,056/526,852,344.60
  6. Step 6: Final answer
    x = 398,410,292.45

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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.