Home / 268,272,011.60-402,408,017.40-258,068,344.40

Finding the Fourth Proportional to 268,272,011.60, 402,408,017.40 and 258,068,344.40

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Solution

The fourth proportional to 268,272,011.60, 402,408,017.40 and 258,068,344.40 is: 387,102,516.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,272,011.60 : 402,408,017.40 = 258,068,344.40 : x
  2. Step 2: Convert to fraction form
    268,272,011.60/402,408,017.40 = 258,068,344.40/x
  3. Step 3: Cross multiply
    268,272,011.60x = 402,408,017.40 × 258,068,344.40
  4. Step 4: Simplify right side
    268,272,011.60x = 103,848,770,823,704,384
  5. Step 5: Solve for x
    x = 103,848,770,823,704,384/268,272,011.60
  6. Step 6: Final answer
    x = 387,102,516.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.