Home / 1,346,355,290.80-2,019,532,936.20-1,205,771,431.60

Finding the Fourth Proportional to 1,346,355,290.80, 2,019,532,936.20 and 1,205,771,431.60

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Solution

The fourth proportional to 1,346,355,290.80, 2,019,532,936.20 and 1,205,771,431.60 is: 1,808,657,147.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,355,290.80 : 2,019,532,936.20 = 1,205,771,431.60 : x
  2. Step 2: Convert to fraction form
    1,346,355,290.80/2,019,532,936.20 = 1,205,771,431.60/x
  3. Step 3: Cross multiply
    1,346,355,290.80x = 2,019,532,936.20 × 1,205,771,431.60
  4. Step 4: Simplify right side
    1,346,355,290.80x = 2,435,095,119,645,225,472
  5. Step 5: Solve for x
    x = 2,435,095,119,645,225,472/1,346,355,290.80
  6. Step 6: Final answer
    x = 1,808,657,147.40

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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.