Home / 524,407,145.60-786,500,493.60-265,378,865.60

Finding the Fourth Proportional to 524,407,145.60, 786,500,493.60 and 265,378,865.60

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Solution

The fourth proportional to 524,407,145.60, 786,500,493.60 and 265,378,865.60 is: 398,012,518.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,407,145.60 : 786,500,493.60 = 265,378,865.60 : x
  2. Step 2: Convert to fraction form
    524,407,145.60/786,500,493.60 = 265,378,865.60/x
  3. Step 3: Cross multiply
    524,407,145.60x = 786,500,493.60 × 265,378,865.60
  4. Step 4: Simplify right side
    524,407,145.60x = 208,720,608,785,408,064
  5. Step 5: Solve for x
    x = 208,720,608,785,408,064/524,407,145.60
  6. Step 6: Final answer
    x = 398,012,518.59

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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.