Home / 384,038,778.63-529,974,833.51-207,826,727.28

Finding the Fourth Proportional to 384,038,778.63, 529,974,833.51 and 207,826,727.28

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Solution

The fourth proportional to 384,038,778.63, 529,974,833.51 and 207,826,727.28 is: 286,801,597.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,038,778.63 : 529,974,833.51 = 207,826,727.28 : x
  2. Step 2: Convert to fraction form
    384,038,778.63/529,974,833.51 = 207,826,727.28/x
  3. Step 3: Cross multiply
    384,038,778.63x = 529,974,833.51 × 207,826,727.28
  4. Step 4: Simplify right side
    384,038,778.63x = 110,142,935,188,107,040
  5. Step 5: Solve for x
    x = 110,142,935,188,107,040/384,038,778.63
  6. Step 6: Final answer
    x = 286,801,597.44

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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.