Home / 537,778,840.70-806,668,261.05-265,681,048.70

Finding the Fourth Proportional to 537,778,840.70, 806,668,261.05 and 265,681,048.70

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Solution

The fourth proportional to 537,778,840.70, 806,668,261.05 and 265,681,048.70 is: 398,521,573.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,778,840.70 : 806,668,261.05 = 265,681,048.70 : x
  2. Step 2: Convert to fraction form
    537,778,840.70/806,668,261.05 = 265,681,048.70/x
  3. Step 3: Cross multiply
    537,778,840.70x = 806,668,261.05 × 265,681,048.70
  4. Step 4: Simplify right side
    537,778,840.70x = 214,316,469,548,769,344
  5. Step 5: Solve for x
    x = 214,316,469,548,769,344/537,778,840.70
  6. Step 6: Final answer
    x = 398,521,573.05

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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.