Home / 304,483,516.32-420,191,283.60-165,255,947.04

Finding the Fourth Proportional to 304,483,516.32, 420,191,283.60 and 165,255,947.04

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Solution

The fourth proportional to 304,483,516.32, 420,191,283.60 and 165,255,947.04 is: 228,055,394.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,483,516.32 : 420,191,283.60 = 165,255,947.04 : x
  2. Step 2: Convert to fraction form
    304,483,516.32/420,191,283.60 = 165,255,947.04/x
  3. Step 3: Cross multiply
    304,483,516.32x = 420,191,283.60 × 165,255,947.04
  4. Step 4: Simplify right side
    304,483,516.32x = 69,439,108,509,271,224
  5. Step 5: Solve for x
    x = 69,439,108,509,271,224/304,483,516.32
  6. Step 6: Final answer
    x = 228,055,394.75

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1.5x scale

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.