Home / 384,990,515.60-577,569,754.20-112,339,072.40

Finding the Fourth Proportional to 384,990,515.60, 577,569,754.20 and 112,339,072.40

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Solution

The fourth proportional to 384,990,515.60, 577,569,754.20 and 112,339,072.40 is: 168,533,113.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,990,515.60 : 577,569,754.20 = 112,339,072.40 : x
  2. Step 2: Convert to fraction form
    384,990,515.60/577,569,754.20 = 112,339,072.40/x
  3. Step 3: Cross multiply
    384,990,515.60x = 577,569,754.20 × 112,339,072.40
  4. Step 4: Simplify right side
    384,990,515.60x = 64,883,650,433,124,016
  5. Step 5: Solve for x
    x = 64,883,650,433,124,016/384,990,515.60
  6. Step 6: Final answer
    x = 168,533,113.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.