Home / 695,280,553.20-1,042,920,829.80-684,531,010.80

Finding the Fourth Proportional to 695,280,553.20, 1,042,920,829.80 and 684,531,010.80

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Solution

The fourth proportional to 695,280,553.20, 1,042,920,829.80 and 684,531,010.80 is: 1,026,796,516.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,280,553.20 : 1,042,920,829.80 = 684,531,010.80 : x
  2. Step 2: Convert to fraction form
    695,280,553.20/1,042,920,829.80 = 684,531,010.80/x
  3. Step 3: Cross multiply
    695,280,553.20x = 1,042,920,829.80 × 684,531,010.80
  4. Step 4: Simplify right side
    695,280,553.20x = 713,911,649,807,368,704
  5. Step 5: Solve for x
    x = 713,911,649,807,368,704/695,280,553.20
  6. Step 6: Final answer
    x = 1,026,796,516.20

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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.