Home / 291,255,328.10-436,882,992.15-262,030,009.70

Finding the Fourth Proportional to 291,255,328.10, 436,882,992.15 and 262,030,009.70

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Solution

The fourth proportional to 291,255,328.10, 436,882,992.15 and 262,030,009.70 is: 393,045,014.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,255,328.10 : 436,882,992.15 = 262,030,009.70 : x
  2. Step 2: Convert to fraction form
    291,255,328.10/436,882,992.15 = 262,030,009.70/x
  3. Step 3: Cross multiply
    291,255,328.10x = 436,882,992.15 × 262,030,009.70
  4. Step 4: Simplify right side
    291,255,328.10x = 114,476,454,670,829,520
  5. Step 5: Solve for x
    x = 114,476,454,670,829,520/291,255,328.10
  6. Step 6: Final answer
    x = 393,045,014.55

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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.