Home / 351,710,258.80-527,319,628.20-208,029,132.40

Finding the Fourth Proportional to 351,710,258.80, 527,319,628.20 and 208,029,132.40

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Solution

The fourth proportional to 351,710,258.80, 527,319,628.20 and 208,029,132.40 is: 311,898,336.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,710,258.80 : 527,319,628.20 = 208,029,132.40 : x
  2. Step 2: Convert to fraction form
    351,710,258.80/527,319,628.20 = 208,029,132.40/x
  3. Step 3: Cross multiply
    351,710,258.80x = 527,319,628.20 × 208,029,132.40
  4. Step 4: Simplify right side
    351,710,258.80x = 109,697,844,751,936,576
  5. Step 5: Solve for x
    x = 109,697,844,751,936,576/351,710,258.80
  6. Step 6: Final answer
    x = 311,898,336.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.