Home / 457,779,811.64-631,752,752.58-262,247,315

Finding the Fourth Proportional to 457,779,811.64, 631,752,752.58 and 262,247,315

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Solution

The fourth proportional to 457,779,811.64, 631,752,752.58 and 262,247,315 is: 361,910,811.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,779,811.64 : 631,752,752.58 = 262,247,315 : x
  2. Step 2: Convert to fraction form
    457,779,811.64/631,752,752.58 = 262,247,315/x
  3. Step 3: Cross multiply
    457,779,811.64x = 631,752,752.58 × 262,247,315
  4. Step 4: Simplify right side
    457,779,811.64x = 165,675,463,107,964,320
  5. Step 5: Solve for x
    x = 165,675,463,107,964,320/457,779,811.64
  6. Step 6: Final answer
    x = 361,910,811.48

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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.