Home / 434,552,405.40-651,828,608.10-261,940,368.60

Finding the Fourth Proportional to 434,552,405.40, 651,828,608.10 and 261,940,368.60

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Solution

The fourth proportional to 434,552,405.40, 651,828,608.10 and 261,940,368.60 is: 392,910,552.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,552,405.40 : 651,828,608.10 = 261,940,368.60 : x
  2. Step 2: Convert to fraction form
    434,552,405.40/651,828,608.10 = 261,940,368.60/x
  3. Step 3: Cross multiply
    434,552,405.40x = 651,828,608.10 × 261,940,368.60
  4. Step 4: Simplify right side
    434,552,405.40x = 170,740,225,869,738,944
  5. Step 5: Solve for x
    x = 170,740,225,869,738,944/434,552,405.40
  6. Step 6: Final answer
    x = 392,910,552.90

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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.