Home / 316,173,780-436,319,816.40-171,470,292

Finding the Fourth Proportional to 316,173,780, 436,319,816.40 and 171,470,292

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Solution

The fourth proportional to 316,173,780, 436,319,816.40 and 171,470,292 is: 236,629,002.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,173,780 : 436,319,816.40 = 171,470,292 : x
  2. Step 2: Convert to fraction form
    316,173,780/436,319,816.40 = 171,470,292/x
  3. Step 3: Cross multiply
    316,173,780x = 436,319,816.40 × 171,470,292
  4. Step 4: Simplify right side
    316,173,780x = 74,815,886,323,494,384
  5. Step 5: Solve for x
    x = 74,815,886,323,494,384/316,173,780
  6. Step 6: Final answer
    x = 236,629,002.96

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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.