Home / 384,020,904.06-529,950,243.60-207,808,881.12

Finding the Fourth Proportional to 384,020,904.06, 529,950,243.60 and 207,808,881.12

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Solution

The fourth proportional to 384,020,904.06, 529,950,243.60 and 207,808,881.12 is: 286,777,011.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,020,904.06 : 529,950,243.60 = 207,808,881.12 : x
  2. Step 2: Convert to fraction form
    384,020,904.06/529,950,243.60 = 207,808,881.12/x
  3. Step 3: Cross multiply
    384,020,904.06x = 529,950,243.60 × 207,808,881.12
  4. Step 4: Simplify right side
    384,020,904.06x = 110,128,367,171,787,456
  5. Step 5: Solve for x
    x = 110,128,367,171,787,456/384,020,904.06
  6. Step 6: Final answer
    x = 286,777,011.37

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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.