Home / 504,531,734,411.50-696,258,134,737.20-287,768,903,895.32

Finding the Fourth Proportional to 504,531,734,411.50, 696,258,134,737.20 and 287,768,903,895.32

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Solution

The fourth proportional to 504,531,734,411.50, 696,258,134,737.20 and 287,768,903,895.32 is: 397,123,563,486.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,531,734,411.50 : 696,258,134,737.20 = 287,768,903,895.32 : x
  2. Step 2: Convert to fraction form
    504,531,734,411.50/696,258,134,737.20 = 287,768,903,895.32/x
  3. Step 3: Cross multiply
    504,531,734,411.50x = 696,258,134,737.20 × 287,768,903,895.32
  4. Step 4: Simplify right side
    504,531,734,411.50x = 200,361,440,261,524,045,168,640
  5. Step 5: Solve for x
    x = 200,361,440,261,524,045,168,640/504,531,734,411.50
  6. Step 6: Final answer
    x = 397,123,563,486.51

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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.