Home / 457,106,807.27-630,786,281.45-258,869,720.63

Finding the Fourth Proportional to 457,106,807.27, 630,786,281.45 and 258,869,720.63

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Solution

The fourth proportional to 457,106,807.27, 630,786,281.45 and 258,869,720.63 is: 357,228,257.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,106,807.27 : 630,786,281.45 = 258,869,720.63 : x
  2. Step 2: Convert to fraction form
    457,106,807.27/630,786,281.45 = 258,869,720.63/x
  3. Step 3: Cross multiply
    457,106,807.27x = 630,786,281.45 × 258,869,720.63
  4. Step 4: Simplify right side
    457,106,807.27x = 163,291,468,451,749,792
  5. Step 5: Solve for x
    x = 163,291,468,451,749,792/457,106,807.27
  6. Step 6: Final answer
    x = 357,228,257.94

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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.