Home / 265,716,400.80-398,574,601.20-223,390,077.60

Finding the Fourth Proportional to 265,716,400.80, 398,574,601.20 and 223,390,077.60

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Solution

The fourth proportional to 265,716,400.80, 398,574,601.20 and 223,390,077.60 is: 335,085,116.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,716,400.80 : 398,574,601.20 = 223,390,077.60 : x
  2. Step 2: Convert to fraction form
    265,716,400.80/398,574,601.20 = 223,390,077.60/x
  3. Step 3: Cross multiply
    265,716,400.80x = 398,574,601.20 × 223,390,077.60
  4. Step 4: Simplify right side
    265,716,400.80x = 89,037,611,091,457,056
  5. Step 5: Solve for x
    x = 89,037,611,091,457,056/265,716,400.80
  6. Step 6: Final answer
    x = 335,085,116.40

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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.