Home / 384,020,749.41-529,950,029.20-207,808,725.52

Finding the Fourth Proportional to 384,020,749.41, 529,950,029.20 and 207,808,725.52

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Solution

The fourth proportional to 384,020,749.41, 529,950,029.20 and 207,808,725.52 is: 286,776,796.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,020,749.41 : 529,950,029.20 = 207,808,725.52 : x
  2. Step 2: Convert to fraction form
    384,020,749.41/529,950,029.20 = 207,808,725.52/x
  3. Step 3: Cross multiply
    384,020,749.41x = 529,950,029.20 × 207,808,725.52
  4. Step 4: Simplify right side
    384,020,749.41x = 110,128,240,158,649,584
  5. Step 5: Solve for x
    x = 110,128,240,158,649,584/384,020,749.41
  6. Step 6: Final answer
    x = 286,776,796.12

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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.