Home / 13,210,778,629.67-19,818,029,436.54-4,243,961,180.25

Finding the Fourth Proportional to 13,210,778,629.67, 19,818,029,436.54 and 4,243,961,180.25

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Solution

The fourth proportional to 13,210,778,629.67, 19,818,029,436.54 and 4,243,961,180.25 is: 6,366,539,774.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,210,778,629.67 : 19,818,029,436.54 = 4,243,961,180.25 : x
  2. Step 2: Convert to fraction form
    13,210,778,629.67/19,818,029,436.54 = 4,243,961,180.25/x
  3. Step 3: Cross multiply
    13,210,778,629.67x = 19,818,029,436.54 × 4,243,961,180.25
  4. Step 4: Simplify right side
    13,210,778,629.67x = 84,106,947,597,689,028,608
  5. Step 5: Solve for x
    x = 84,106,947,597,689,028,608/13,210,778,629.67
  6. Step 6: Final answer
    x = 6,366,539,774.49

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1.5x scale

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.