Home / 1,177,489,869.66-1,624,946,916.40-648,872,772.25

Finding the Fourth Proportional to 1,177,489,869.66, 1,624,946,916.40 and 648,872,772.25

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Solution

The fourth proportional to 1,177,489,869.66, 1,624,946,916.40 and 648,872,772.25 is: 895,450,430.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,489,869.66 : 1,624,946,916.40 = 648,872,772.25 : x
  2. Step 2: Convert to fraction form
    1,177,489,869.66/1,624,946,916.40 = 648,872,772.25/x
  3. Step 3: Cross multiply
    1,177,489,869.66x = 1,624,946,916.40 × 648,872,772.25
  4. Step 4: Simplify right side
    1,177,489,869.66x = 1,054,383,810,400,312,576
  5. Step 5: Solve for x
    x = 1,054,383,810,400,312,576/1,177,489,869.66
  6. Step 6: Final answer
    x = 895,450,430.25

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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.