Home / 1,683,281,871.23-2,323,000,721.81-940,725,912.11

Finding the Fourth Proportional to 1,683,281,871.23, 2,323,000,721.81 and 940,725,912.11

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Solution

The fourth proportional to 1,683,281,871.23, 2,323,000,721.81 and 940,725,912.11 is: 1,298,241,851.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,281,871.23 : 2,323,000,721.81 = 940,725,912.11 : x
  2. Step 2: Convert to fraction form
    1,683,281,871.23/2,323,000,721.81 = 940,725,912.11/x
  3. Step 3: Cross multiply
    1,683,281,871.23x = 2,323,000,721.81 × 940,725,912.11
  4. Step 4: Simplify right side
    1,683,281,871.23x = 2,185,306,972,847,637,504
  5. Step 5: Solve for x
    x = 2,185,306,972,847,637,504/1,683,281,871.23
  6. Step 6: Final answer
    x = 1,298,241,851.35

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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.