Home / 767,792,285.44-1,059,680,051.04-470,599,842.40

Finding the Fourth Proportional to 767,792,285.44, 1,059,680,051.04 and 470,599,842.40

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Solution

The fourth proportional to 767,792,285.44, 1,059,680,051.04 and 470,599,842.40 is: 649,505,438.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,792,285.44 : 1,059,680,051.04 = 470,599,842.40 : x
  2. Step 2: Convert to fraction form
    767,792,285.44/1,059,680,051.04 = 470,599,842.40/x
  3. Step 3: Cross multiply
    767,792,285.44x = 1,059,680,051.04 × 470,599,842.40
  4. Step 4: Simplify right side
    767,792,285.44x = 498,685,265,013,847,936
  5. Step 5: Solve for x
    x = 498,685,265,013,847,936/767,792,285.44
  6. Step 6: Final answer
    x = 649,505,438.48

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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.