Home / 389,770,826.51-537,751,323.18-222,386,840.55

Finding the Fourth Proportional to 389,770,826.51, 537,751,323.18 and 222,386,840.55

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Solution

The fourth proportional to 389,770,826.51, 537,751,323.18 and 222,386,840.55 is: 306,818,288.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,770,826.51 : 537,751,323.18 = 222,386,840.55 : x
  2. Step 2: Convert to fraction form
    389,770,826.51/537,751,323.18 = 222,386,840.55/x
  3. Step 3: Cross multiply
    389,770,826.51x = 537,751,323.18 × 222,386,840.55
  4. Step 4: Simplify right side
    389,770,826.51x = 119,588,817,763,582,176
  5. Step 5: Solve for x
    x = 119,588,817,763,582,176/389,770,826.51
  6. Step 6: Final answer
    x = 306,818,288.16

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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.