Home / 1,325,447,611.50-1,988,458,409.97-507,559,941.66

Finding the Fourth Proportional to 1,325,447,611.50, 1,988,458,409.97 and 507,559,941.66

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Solution

The fourth proportional to 1,325,447,611.50, 1,988,458,409.97 and 507,559,941.66 is: 761,449,811.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,447,611.50 : 1,988,458,409.97 = 507,559,941.66 : x
  2. Step 2: Convert to fraction form
    1,325,447,611.50/1,988,458,409.97 = 507,559,941.66/x
  3. Step 3: Cross multiply
    1,325,447,611.50x = 1,988,458,409.97 × 507,559,941.66
  4. Step 4: Simplify right side
    1,325,447,611.50x = 1,009,261,834,557,709,568
  5. Step 5: Solve for x
    x = 1,009,261,834,557,709,568/1,325,447,611.50
  6. Step 6: Final answer
    x = 761,449,811.97

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Half scale
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Double scale
Find fourth proportional to 1,325,447,612.50, 1,988,458,411.47 and 507,559,942.66
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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.