Home / 695,280,505.70-1,042,920,758.55-684,530,963.30

Finding the Fourth Proportional to 695,280,505.70, 1,042,920,758.55 and 684,530,963.30

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Solution

The fourth proportional to 695,280,505.70, 1,042,920,758.55 and 684,530,963.30 is: 1,026,796,444.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,280,505.70 : 1,042,920,758.55 = 684,530,963.30 : x
  2. Step 2: Convert to fraction form
    695,280,505.70/1,042,920,758.55 = 684,530,963.30/x
  3. Step 3: Cross multiply
    695,280,505.70x = 1,042,920,758.55 × 684,530,963.30
  4. Step 4: Simplify right side
    695,280,505.70x = 713,911,551,495,798,144
  5. Step 5: Solve for x
    x = 713,911,551,495,798,144/695,280,505.70
  6. Step 6: Final answer
    x = 1,026,796,444.95

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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.