Home / 874,009,686.85-1,311,123,623.30-342,152,413.27

Finding the Fourth Proportional to 874,009,686.85, 1,311,123,623.30 and 342,152,413.27

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Solution

The fourth proportional to 874,009,686.85, 1,311,123,623.30 and 342,152,413.27 is: 513,271,327.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,009,686.85 : 1,311,123,623.30 = 342,152,413.27 : x
  2. Step 2: Convert to fraction form
    874,009,686.85/1,311,123,623.30 = 342,152,413.27/x
  3. Step 3: Cross multiply
    874,009,686.85x = 1,311,123,623.30 × 342,152,413.27
  4. Step 4: Simplify right side
    874,009,686.85x = 448,604,111,803,678,784
  5. Step 5: Solve for x
    x = 448,604,111,803,678,784/874,009,686.85
  6. Step 6: Final answer
    x = 513,271,327.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.