Home / 318,002,804.48-477,004,381.00-145,358,549.07

Finding the Fourth Proportional to 318,002,804.48, 477,004,381.00 and 145,358,549.07

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Solution

The fourth proportional to 318,002,804.48, 477,004,381.00 and 145,358,549.07 is: 218,037,903.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,002,804.48 : 477,004,381.00 = 145,358,549.07 : x
  2. Step 2: Convert to fraction form
    318,002,804.48/477,004,381.00 = 145,358,549.07/x
  3. Step 3: Cross multiply
    318,002,804.48x = 477,004,381.00 × 145,358,549.07
  4. Step 4: Simplify right side
    318,002,804.48x = 69,336,664,724,437,208
  5. Step 5: Solve for x
    x = 69,336,664,724,437,208/318,002,804.48
  6. Step 6: Final answer
    x = 218,037,903.27

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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.