Home / 2,519,430,001.20-3,779,145,001.80-1,907,209,969.20

Finding the Fourth Proportional to 2,519,430,001.20, 3,779,145,001.80 and 1,907,209,969.20

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Solution

The fourth proportional to 2,519,430,001.20, 3,779,145,001.80 and 1,907,209,969.20 is: 2,860,814,953.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519,430,001.20 : 3,779,145,001.80 = 1,907,209,969.20 : x
  2. Step 2: Convert to fraction form
    2,519,430,001.20/3,779,145,001.80 = 1,907,209,969.20/x
  3. Step 3: Cross multiply
    2,519,430,001.20x = 3,779,145,001.80 × 1,907,209,969.20
  4. Step 4: Simplify right side
    2,519,430,001.20x = 7,207,623,022,485,312,512
  5. Step 5: Solve for x
    x = 7,207,623,022,485,312,512/2,519,430,001.20
  6. Step 6: Final answer
    x = 2,860,814,953.80

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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.