Home / 457,106,801.28-630,786,273.15-258,869,714.64

Finding the Fourth Proportional to 457,106,801.28, 630,786,273.15 and 258,869,714.64

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Solution

The fourth proportional to 457,106,801.28, 630,786,273.15 and 258,869,714.64 is: 357,228,249.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,106,801.28 : 630,786,273.15 = 258,869,714.64 : x
  2. Step 2: Convert to fraction form
    457,106,801.28/630,786,273.15 = 258,869,714.64/x
  3. Step 3: Cross multiply
    457,106,801.28x = 630,786,273.15 × 258,869,714.64
  4. Step 4: Simplify right side
    457,106,801.28x = 163,291,462,527,774,880
  5. Step 5: Solve for x
    x = 163,291,462,527,774,880/457,106,801.28
  6. Step 6: Final answer
    x = 357,228,249.66

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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.