Home / 372,353,260.86-513,850,965.69-205,095,459.30

Finding the Fourth Proportional to 372,353,260.86, 513,850,965.69 and 205,095,459.30

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Solution

The fourth proportional to 372,353,260.86, 513,850,965.69 and 205,095,459.30 is: 283,033,642.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,353,260.86 : 513,850,965.69 = 205,095,459.30 : x
  2. Step 2: Convert to fraction form
    372,353,260.86/513,850,965.69 = 205,095,459.30/x
  3. Step 3: Cross multiply
    372,353,260.86x = 513,850,965.69 × 205,095,459.30
  4. Step 4: Simplify right side
    372,353,260.86x = 105,388,499,819,939,104
  5. Step 5: Solve for x
    x = 105,388,499,819,939,104/372,353,260.86
  6. Step 6: Final answer
    x = 283,033,642.77

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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.