Home / 736,863,030,907.80-1,016,923,602,520.80-407,258,978,509.78

Finding the Fourth Proportional to 736,863,030,907.80, 1,016,923,602,520.80 and 407,258,978,509.78

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Solution

The fourth proportional to 736,863,030,907.80, 1,016,923,602,520.80 and 407,258,978,509.78 is: 562,046,472,971.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,863,030,907.80 : 1,016,923,602,520.80 = 407,258,978,509.78 : x
  2. Step 2: Convert to fraction form
    736,863,030,907.80/1,016,923,602,520.80 = 407,258,978,509.78/x
  3. Step 3: Cross multiply
    736,863,030,907.80x = 1,016,923,602,520.80 × 407,258,978,509.78
  4. Step 4: Simplify right side
    736,863,030,907.80x = 414,151,267,585,106,586,370,048
  5. Step 5: Solve for x
    x = 414,151,267,585,106,586,370,048/736,863,030,907.80
  6. Step 6: Final answer
    x = 562,046,472,971.89

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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.