Home / 381,898,811.90-526,928,427.60-223,038,844.94

Finding the Fourth Proportional to 381,898,811.90, 526,928,427.60 and 223,038,844.94

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Solution

The fourth proportional to 381,898,811.90, 526,928,427.60 and 223,038,844.94 is: 307,739,914.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,898,811.90 : 526,928,427.60 = 223,038,844.94 : x
  2. Step 2: Convert to fraction form
    381,898,811.90/526,928,427.60 = 223,038,844.94/x
  3. Step 3: Cross multiply
    381,898,811.90x = 526,928,427.60 × 223,038,844.94
  4. Step 4: Simplify right side
    381,898,811.90x = 117,525,507,857,954,416
  5. Step 5: Solve for x
    x = 117,525,507,857,954,416/381,898,811.90
  6. Step 6: Final answer
    x = 307,739,914.86

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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.