Home / 384,038,857.32-529,974,942.18-207,826,805.88

Finding the Fourth Proportional to 384,038,857.32, 529,974,942.18 and 207,826,805.88

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Solution

The fourth proportional to 384,038,857.32, 529,974,942.18 and 207,826,805.88 is: 286,801,705.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,038,857.32 : 529,974,942.18 = 207,826,805.88 : x
  2. Step 2: Convert to fraction form
    384,038,857.32/529,974,942.18 = 207,826,805.88/x
  3. Step 3: Cross multiply
    384,038,857.32x = 529,974,942.18 × 207,826,805.88
  4. Step 4: Simplify right side
    384,038,857.32x = 110,142,999,429,707,088
  5. Step 5: Solve for x
    x = 110,142,999,429,707,088/384,038,857.32
  6. Step 6: Final answer
    x = 286,801,705.95

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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.