Home / 3,220,404,804.80-4,830,607,207.20-1,380,343,486.40

Finding the Fourth Proportional to 3,220,404,804.80, 4,830,607,207.20 and 1,380,343,486.40

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Solution

The fourth proportional to 3,220,404,804.80, 4,830,607,207.20 and 1,380,343,486.40 is: 2,070,515,229.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220,404,804.80 : 4,830,607,207.20 = 1,380,343,486.40 : x
  2. Step 2: Convert to fraction form
    3,220,404,804.80/4,830,607,207.20 = 1,380,343,486.40/x
  3. Step 3: Cross multiply
    3,220,404,804.80x = 4,830,607,207.20 × 1,380,343,486.40
  4. Step 4: Simplify right side
    3,220,404,804.80x = 6,667,897,193,815,415,808
  5. Step 5: Solve for x
    x = 6,667,897,193,815,415,808/3,220,404,804.80
  6. Step 6: Final answer
    x = 2,070,515,229.60

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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.