Home / 1,455,364,445.76-2,008,607,764.32-926,559,509.76

Finding the Fourth Proportional to 1,455,364,445.76, 2,008,607,764.32 and 926,559,509.76

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Solution

The fourth proportional to 1,455,364,445.76, 2,008,607,764.32 and 926,559,509.76 is: 1,278,782,528.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,364,445.76 : 2,008,607,764.32 = 926,559,509.76 : x
  2. Step 2: Convert to fraction form
    1,455,364,445.76/2,008,607,764.32 = 926,559,509.76/x
  3. Step 3: Cross multiply
    1,455,364,445.76x = 2,008,607,764.32 × 926,559,509.76
  4. Step 4: Simplify right side
    1,455,364,445.76x = 1,861,094,625,408,468,736
  5. Step 5: Solve for x
    x = 1,861,094,625,408,468,736/1,455,364,445.76
  6. Step 6: Final answer
    x = 1,278,782,528.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.