Home / 457,106,806.77-630,786,280.75-258,869,720.13

Finding the Fourth Proportional to 457,106,806.77, 630,786,280.75 and 258,869,720.13

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Solution

The fourth proportional to 457,106,806.77, 630,786,280.75 and 258,869,720.13 is: 357,228,257.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,106,806.77 : 630,786,280.75 = 258,869,720.13 : x
  2. Step 2: Convert to fraction form
    457,106,806.77/630,786,280.75 = 258,869,720.13/x
  3. Step 3: Cross multiply
    457,106,806.77x = 630,786,280.75 × 258,869,720.13
  4. Step 4: Simplify right side
    457,106,806.77x = 163,291,467,959,596,096
  5. Step 5: Solve for x
    x = 163,291,467,959,596,096/457,106,806.77
  6. Step 6: Final answer
    x = 357,228,257.25

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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.