Home / 434,632,205.70-651,979,801.35-261,736,733.70

Finding the Fourth Proportional to 434,632,205.70, 651,979,801.35 and 261,736,733.70

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Solution

The fourth proportional to 434,632,205.70, 651,979,801.35 and 261,736,733.70 is: 392,624,065.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,632,205.70 : 651,979,801.35 = 261,736,733.70 : x
  2. Step 2: Convert to fraction form
    434,632,205.70/651,979,801.35 = 261,736,733.70/x
  3. Step 3: Cross multiply
    434,632,205.70x = 651,979,801.35 × 261,736,733.70
  4. Step 4: Simplify right side
    434,632,205.70x = 170,647,063,643,723,840
  5. Step 5: Solve for x
    x = 170,647,063,643,723,840/434,632,205.70
  6. Step 6: Final answer
    x = 392,624,065.60

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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.