Home / 670,399,145.52-925,575,879.96-459,059,639.28

Finding the Fourth Proportional to 670,399,145.52, 925,575,879.96 and 459,059,639.28

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Solution

The fourth proportional to 670,399,145.52, 925,575,879.96 and 459,059,639.28 is: 633,793,363.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,399,145.52 : 925,575,879.96 = 459,059,639.28 : x
  2. Step 2: Convert to fraction form
    670,399,145.52/925,575,879.96 = 459,059,639.28/x
  3. Step 3: Cross multiply
    670,399,145.52x = 925,575,879.96 × 459,059,639.28
  4. Step 4: Simplify right side
    670,399,145.52x = 424,894,529,580,706,176
  5. Step 5: Solve for x
    x = 424,894,529,580,706,176/670,399,145.52
  6. Step 6: Final answer
    x = 633,793,363.88

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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.