Home / 1,259,217,639.18-1,737,710,632.49-694,726,311.24

Finding the Fourth Proportional to 1,259,217,639.18, 1,737,710,632.49 and 694,726,311.24

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Solution

The fourth proportional to 1,259,217,639.18, 1,737,710,632.49 and 694,726,311.24 is: 958,716,952.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,217,639.18 : 1,737,710,632.49 = 694,726,311.24 : x
  2. Step 2: Convert to fraction form
    1,259,217,639.18/1,737,710,632.49 = 694,726,311.24/x
  3. Step 3: Cross multiply
    1,259,217,639.18x = 1,737,710,632.49 × 694,726,311.24
  4. Step 4: Simplify right side
    1,259,217,639.18x = 1,207,233,297,708,831,232
  5. Step 5: Solve for x
    x = 1,207,233,297,708,831,232/1,259,217,639.18
  6. Step 6: Final answer
    x = 958,716,952.61

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Double scale
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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.