Home / 345,657,178.94-477,043,873.13-211,783,939.11

Finding the Fourth Proportional to 345,657,178.94, 477,043,873.13 and 211,783,939.11

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Solution

The fourth proportional to 345,657,178.94, 477,043,873.13 and 211,783,939.11 is: 292,284,485.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,657,178.94 : 477,043,873.13 = 211,783,939.11 : x
  2. Step 2: Convert to fraction form
    345,657,178.94/477,043,873.13 = 211,783,939.11/x
  3. Step 3: Cross multiply
    345,657,178.94x = 477,043,873.13 × 211,783,939.11
  4. Step 4: Simplify right side
    345,657,178.94x = 101,030,230,580,291,952
  5. Step 5: Solve for x
    x = 101,030,230,580,291,952/345,657,178.94
  6. Step 6: Final answer
    x = 292,284,485.14

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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.