Home / 1,128,590,954.67-1,557,474,772.23-619,975,114.77

Finding the Fourth Proportional to 1,128,590,954.67, 1,557,474,772.23 and 619,975,114.77

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Solution

The fourth proportional to 1,128,590,954.67, 1,557,474,772.23 and 619,975,114.77 is: 855,576,235.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,590,954.67 : 1,557,474,772.23 = 619,975,114.77 : x
  2. Step 2: Convert to fraction form
    1,128,590,954.67/1,557,474,772.23 = 619,975,114.77/x
  3. Step 3: Cross multiply
    1,128,590,954.67x = 1,557,474,772.23 × 619,975,114.77
  4. Step 4: Simplify right side
    1,128,590,954.67x = 965,595,600,664,673,792
  5. Step 5: Solve for x
    x = 965,595,600,664,673,792/1,128,590,954.67
  6. Step 6: Final answer
    x = 855,576,235.72

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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.