Home / 863,492,385.75-1,295,312,748.94-303,206,056.12

Finding the Fourth Proportional to 863,492,385.75, 1,295,312,748.94 and 303,206,056.12

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Solution

The fourth proportional to 863,492,385.75, 1,295,312,748.94 and 303,206,056.12 is: 454,835,128.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,492,385.75 : 1,295,312,748.94 = 303,206,056.12 : x
  2. Step 2: Convert to fraction form
    863,492,385.75/1,295,312,748.94 = 303,206,056.12/x
  3. Step 3: Cross multiply
    863,492,385.75x = 1,295,312,748.94 × 303,206,056.12
  4. Step 4: Simplify right side
    863,492,385.75x = 392,746,670,046,537,088
  5. Step 5: Solve for x
    x = 392,746,670,046,537,088/863,492,385.75
  6. Step 6: Final answer
    x = 454,835,128.29

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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.