Home / 526,852,339.61-727,055,660.69-288,703,331.00

Finding the Fourth Proportional to 526,852,339.61, 727,055,660.69 and 288,703,331.00

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Solution

The fourth proportional to 526,852,339.61, 727,055,660.69 and 288,703,331.00 is: 398,410,285.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,852,339.61 : 727,055,660.69 = 288,703,331.00 : x
  2. Step 2: Convert to fraction form
    526,852,339.61/727,055,660.69 = 288,703,331.00/x
  3. Step 3: Cross multiply
    526,852,339.61x = 727,055,660.69 × 288,703,331.00
  4. Step 4: Simplify right side
    526,852,339.61x = 209,903,391,058,529,952
  5. Step 5: Solve for x
    x = 209,903,391,058,529,952/526,852,339.61
  6. Step 6: Final answer
    x = 398,410,285.53

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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.