Home / 1,036,152,586.40-1,554,228,879.60-422,402,237.60

Finding the Fourth Proportional to 1,036,152,586.40, 1,554,228,879.60 and 422,402,237.60

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Solution

The fourth proportional to 1,036,152,586.40, 1,554,228,879.60 and 422,402,237.60 is: 633,603,356.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,152,586.40 : 1,554,228,879.60 = 422,402,237.60 : x
  2. Step 2: Convert to fraction form
    1,036,152,586.40/1,554,228,879.60 = 422,402,237.60/x
  3. Step 3: Cross multiply
    1,036,152,586.40x = 1,554,228,879.60 × 422,402,237.60
  4. Step 4: Simplify right side
    1,036,152,586.40x = 656,509,756,485,580,928
  5. Step 5: Solve for x
    x = 656,509,756,485,580,928/1,036,152,586.40
  6. Step 6: Final answer
    x = 633,603,356.40

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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.