Home / 355,003,378.02-489,895,263-198,371,772

Finding the Fourth Proportional to 355,003,378.02, 489,895,263 and 198,371,772

Calculator

Solution

The fourth proportional to 355,003,378.02, 489,895,263 and 198,371,772 is: 273,747,793.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,003,378.02 : 489,895,263 = 198,371,772 : x
  2. Step 2: Convert to fraction form
    355,003,378.02/489,895,263 = 198,371,772/x
  3. Step 3: Cross multiply
    355,003,378.02x = 489,895,263 × 198,371,772
  4. Step 4: Simplify right side
    355,003,378.02x = 97,181,391,415,716,032
  5. Step 5: Solve for x
    x = 97,181,391,415,716,032/355,003,378.02
  6. Step 6: Final answer
    x = 273,747,793.49

Related Problems

Find fourth proportional to 177,501,689.01, 244,947,631.50 and 99,185,886
Half scale
Find fourth proportional to 710,006,756.04, 979,790,526 and 396,743,544
Double scale
Find fourth proportional to 355,003,379.02, 489,895,264.38 and 198,371,773
Similar ratio
Find fourth proportional to 532,505,067.03, 734,842,894.50 and 297,557,658
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.