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Finding the Fourth Proportional to 537,778,676.70, 806,668,015.06 and 265,680,884.70

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Solution

The fourth proportional to 537,778,676.70, 806,668,015.06 and 265,680,884.70 is: 398,521,327.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,778,676.70 : 806,668,015.06 = 265,680,884.70 : x
  2. Step 2: Convert to fraction form
    537,778,676.70/806,668,015.06 = 265,680,884.70/x
  3. Step 3: Cross multiply
    537,778,676.70x = 806,668,015.06 × 265,680,884.70
  4. Step 4: Simplify right side
    537,778,676.70x = 214,316,271,900,333,696
  5. Step 5: Solve for x
    x = 214,316,271,900,333,696/537,778,676.70
  6. Step 6: Final answer
    x = 398,521,327.05

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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.