Home / 340,870,185.90-470,410,094.43-208,708,667.82

Finding the Fourth Proportional to 340,870,185.90, 470,410,094.43 and 208,708,667.82

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Solution

The fourth proportional to 340,870,185.90, 470,410,094.43 and 208,708,667.82 is: 288,023,617.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,870,185.90 : 470,410,094.43 = 208,708,667.82 : x
  2. Step 2: Convert to fraction form
    340,870,185.90/470,410,094.43 = 208,708,667.82/x
  3. Step 3: Cross multiply
    340,870,185.90x = 470,410,094.43 × 208,708,667.82
  4. Step 4: Simplify right side
    340,870,185.90x = 98,178,664,137,565,696
  5. Step 5: Solve for x
    x = 98,178,664,137,565,696/340,870,185.90
  6. Step 6: Final answer
    x = 288,023,617.78

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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.