Home / 509,791,770,242.50-703,509,064,084-278,305,289,501.55

Finding the Fourth Proportional to 509,791,770,242.50, 703,509,064,084 and 278,305,289,501.55

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Solution

The fourth proportional to 509,791,770,242.50, 703,509,064,084 and 278,305,289,501.55 is: 384,059,345,747.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,791,770,242.50 : 703,509,064,084 = 278,305,289,501.55 : x
  2. Step 2: Convert to fraction form
    509,791,770,242.50/703,509,064,084 = 278,305,289,501.55/x
  3. Step 3: Cross multiply
    509,791,770,242.50x = 703,509,064,084 × 278,305,289,501.55
  4. Step 4: Simplify right side
    509,791,770,242.50x = 195,790,293,746,862,102,937,600
  5. Step 5: Solve for x
    x = 195,790,293,746,862,102,937,600/509,791,770,242.50
  6. Step 6: Final answer
    x = 384,059,345,747.63

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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.