Home / 257,692,218.24-355,479,744-153,195,968.64

Finding the Fourth Proportional to 257,692,218.24, 355,479,744 and 153,195,968.64

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Solution

The fourth proportional to 257,692,218.24, 355,479,744 and 153,195,968.64 is: 211,329,872.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,692,218.24 : 355,479,744 = 153,195,968.64 : x
  2. Step 2: Convert to fraction form
    257,692,218.24/355,479,744 = 153,195,968.64/x
  3. Step 3: Cross multiply
    257,692,218.24x = 355,479,744 × 153,195,968.64
  4. Step 4: Simplify right side
    257,692,218.24x = 54,458,063,713,979,224
  5. Step 5: Solve for x
    x = 54,458,063,713,979,224/257,692,218.24
  6. Step 6: Final answer
    x = 211,329,872.85

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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.