Home / 316,208,257,705.32-436,355,156,876.58-171,689,079,671.82

Finding the Fourth Proportional to 316,208,257,705.32, 436,355,156,876.58 and 171,689,079,671.82

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Solution

The fourth proportional to 316,208,257,705.32, 436,355,156,876.58 and 171,689,079,671.82 is: 236,924,284,766.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,208,257,705.32 : 436,355,156,876.58 = 171,689,079,671.82 : x
  2. Step 2: Convert to fraction form
    316,208,257,705.32/436,355,156,876.58 = 171,689,079,671.82/x
  3. Step 3: Cross multiply
    316,208,257,705.32x = 436,355,156,876.58 × 171,689,079,671.82
  4. Step 4: Simplify right side
    316,208,257,705.32x = 74,917,415,294,192,664,444,928
  5. Step 5: Solve for x
    x = 74,917,415,294,192,664,444,928/316,208,257,705.32
  6. Step 6: Final answer
    x = 236,924,284,766.81

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1.5x scale

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.