Home / 1,370,706,413.58-2,056,254,846.48-425,386,174.82

Finding the Fourth Proportional to 1,370,706,413.58, 2,056,254,846.48 and 425,386,174.82

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Solution

The fourth proportional to 1,370,706,413.58, 2,056,254,846.48 and 425,386,174.82 is: 638,139,848.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,706,413.58 : 2,056,254,846.48 = 425,386,174.82 : x
  2. Step 2: Convert to fraction form
    1,370,706,413.58/2,056,254,846.48 = 425,386,174.82/x
  3. Step 3: Cross multiply
    1,370,706,413.58x = 2,056,254,846.48 × 425,386,174.82
  4. Step 4: Simplify right side
    1,370,706,413.58x = 874,702,383,588,932,224
  5. Step 5: Solve for x
    x = 874,702,383,588,932,224/1,370,706,413.58
  6. Step 6: Final answer
    x = 638,139,848.86

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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.