Home / 316,529,888.76-474,176,786.85-218,144,019.60

Finding the Fourth Proportional to 316,529,888.76, 474,176,786.85 and 218,144,019.60

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Solution

The fourth proportional to 316,529,888.76, 474,176,786.85 and 218,144,019.60 is: 326,790,088.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,529,888.76 : 474,176,786.85 = 218,144,019.60 : x
  2. Step 2: Convert to fraction form
    316,529,888.76/474,176,786.85 = 218,144,019.60/x
  3. Step 3: Cross multiply
    316,529,888.76x = 474,176,786.85 × 218,144,019.60
  4. Step 4: Simplify right side
    316,529,888.76x = 103,438,830,284,471,424
  5. Step 5: Solve for x
    x = 103,438,830,284,471,424/316,529,888.76
  6. Step 6: Final answer
    x = 326,790,088.26

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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.