Home / 540,163,186.85-745,415,481.04-305,208,802.79

Finding the Fourth Proportional to 540,163,186.85, 745,415,481.04 and 305,208,802.79

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Solution

The fourth proportional to 540,163,186.85, 745,415,481.04 and 305,208,802.79 is: 421,182,657.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,163,186.85 : 745,415,481.04 = 305,208,802.79 : x
  2. Step 2: Convert to fraction form
    540,163,186.85/745,415,481.04 = 305,208,802.79/x
  3. Step 3: Cross multiply
    540,163,186.85x = 745,415,481.04 × 305,208,802.79
  4. Step 4: Simplify right side
    540,163,186.85x = 227,507,366,549,350,336
  5. Step 5: Solve for x
    x = 227,507,366,549,350,336/540,163,186.85
  6. Step 6: Final answer
    x = 421,182,657.55

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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.