Home / 836,057,321.43-1,152,688,070.48-684,792,727.27

Finding the Fourth Proportional to 836,057,321.43, 1,152,688,070.48 and 684,792,727.27

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Solution

The fourth proportional to 836,057,321.43, 1,152,688,070.48 and 684,792,727.27 is: 944,136,708.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,057,321.43 : 1,152,688,070.48 = 684,792,727.27 : x
  2. Step 2: Convert to fraction form
    836,057,321.43/1,152,688,070.48 = 684,792,727.27/x
  3. Step 3: Cross multiply
    836,057,321.43x = 1,152,688,070.48 × 684,792,727.27
  4. Step 4: Simplify right side
    836,057,321.43x = 789,352,407,475,593,216
  5. Step 5: Solve for x
    x = 789,352,407,475,593,216/836,057,321.43
  6. Step 6: Final answer
    x = 944,136,708.38

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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.