Home / 695,280,608.20-1,042,920,912.30-684,531,065.80

Finding the Fourth Proportional to 695,280,608.20, 1,042,920,912.30 and 684,531,065.80

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Solution

The fourth proportional to 695,280,608.20, 1,042,920,912.30 and 684,531,065.80 is: 1,026,796,598.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,280,608.20 : 1,042,920,912.30 = 684,531,065.80 : x
  2. Step 2: Convert to fraction form
    695,280,608.20/1,042,920,912.30 = 684,531,065.80/x
  3. Step 3: Cross multiply
    695,280,608.20x = 1,042,920,912.30 × 684,531,065.80
  4. Step 4: Simplify right side
    695,280,608.20x = 713,911,763,641,827,200
  5. Step 5: Solve for x
    x = 713,911,763,641,827,200/695,280,608.20
  6. Step 6: Final answer
    x = 1,026,796,598.70

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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.