Home / 1,038,103,413.80-1,558,036,919.10-425,127,554.60

Finding the Fourth Proportional to 1,038,103,413.80, 1,558,036,919.10 and 425,127,554.60

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Solution

The fourth proportional to 1,038,103,413.80, 1,558,036,919.10 and 425,127,554.60 is: 638,052,448.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,103,413.80 : 1,558,036,919.10 = 425,127,554.60 : x
  2. Step 2: Convert to fraction form
    1,038,103,413.80/1,558,036,919.10 = 425,127,554.60/x
  3. Step 3: Cross multiply
    1,038,103,413.80x = 1,558,036,919.10 × 425,127,554.60
  4. Step 4: Simplify right side
    1,038,103,413.80x = 662,364,425,393,501,056
  5. Step 5: Solve for x
    x = 662,364,425,393,501,056/1,038,103,413.80
  6. Step 6: Final answer
    x = 638,052,448.91

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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.