Home / 1,871,268,390.40-2,803,879,276.80-1,179,938,444.80

Finding the Fourth Proportional to 1,871,268,390.40, 2,803,879,276.80 and 1,179,938,444.80

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Solution

The fourth proportional to 1,871,268,390.40, 2,803,879,276.80 and 1,179,938,444.80 is: 1,768,001,303.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,268,390.40 : 2,803,879,276.80 = 1,179,938,444.80 : x
  2. Step 2: Convert to fraction form
    1,871,268,390.40/2,803,879,276.80 = 1,179,938,444.80/x
  3. Step 3: Cross multiply
    1,871,268,390.40x = 2,803,879,276.80 × 1,179,938,444.80
  4. Step 4: Simplify right side
    1,871,268,390.40x = 3,308,404,953,274,340,864
  5. Step 5: Solve for x
    x = 3,308,404,953,274,340,864/1,871,268,390.40
  6. Step 6: Final answer
    x = 1,768,001,303.42

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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.