Home / 1,332,236,274.65-1,838,413,223.25-729,290,257.16

Finding the Fourth Proportional to 1,332,236,274.65, 1,838,413,223.25 and 729,290,257.16

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Solution

The fourth proportional to 1,332,236,274.65, 1,838,413,223.25 and 729,290,257.16 is: 1,006,380,683.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,236,274.65 : 1,838,413,223.25 = 729,290,257.16 : x
  2. Step 2: Convert to fraction form
    1,332,236,274.65/1,838,413,223.25 = 729,290,257.16/x
  3. Step 3: Cross multiply
    1,332,236,274.65x = 1,838,413,223.25 × 729,290,257.16
  4. Step 4: Simplify right side
    1,332,236,274.65x = 1,340,736,852,342,457,600
  5. Step 5: Solve for x
    x = 1,340,736,852,342,457,600/1,332,236,274.65
  6. Step 6: Final answer
    x = 1,006,380,683.26

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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.