Home / 380,240,811.95-569,378,925.61-262,429,102.70

Finding the Fourth Proportional to 380,240,811.95, 569,378,925.61 and 262,429,102.70

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Solution

The fourth proportional to 380,240,811.95, 569,378,925.61 and 262,429,102.70 is: 392,965,709.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,240,811.95 : 569,378,925.61 = 262,429,102.70 : x
  2. Step 2: Convert to fraction form
    380,240,811.95/569,378,925.61 = 262,429,102.70/x
  3. Step 3: Cross multiply
    380,240,811.95x = 569,378,925.61 × 262,429,102.70
  4. Step 4: Simplify right side
    380,240,811.95x = 149,421,600,540,619,360
  5. Step 5: Solve for x
    x = 149,421,600,540,619,360/380,240,811.95
  6. Step 6: Final answer
    x = 392,965,709.74

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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.