Home / 659,300,742.12-988,198,845.96-265,575,631.98

Finding the Fourth Proportional to 659,300,742.12, 988,198,845.96 and 265,575,631.98

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Solution

The fourth proportional to 659,300,742.12, 988,198,845.96 and 265,575,631.98 is: 398,060,424.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,300,742.12 : 988,198,845.96 = 265,575,631.98 : x
  2. Step 2: Convert to fraction form
    659,300,742.12/988,198,845.96 = 265,575,631.98/x
  3. Step 3: Cross multiply
    659,300,742.12x = 988,198,845.96 × 265,575,631.98
  4. Step 4: Simplify right side
    659,300,742.12x = 262,441,533,037,733,664
  5. Step 5: Solve for x
    x = 262,441,533,037,733,664/659,300,742.12
  6. Step 6: Final answer
    x = 398,060,424.13

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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.