Home / 2,519,430,143.20-3,779,145,214.80-1,907,210,111.20

Finding the Fourth Proportional to 2,519,430,143.20, 3,779,145,214.80 and 1,907,210,111.20

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Solution

The fourth proportional to 2,519,430,143.20, 3,779,145,214.80 and 1,907,210,111.20 is: 2,860,815,166.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519,430,143.20 : 3,779,145,214.80 = 1,907,210,111.20 : x
  2. Step 2: Convert to fraction form
    2,519,430,143.20/3,779,145,214.80 = 1,907,210,111.20/x
  3. Step 3: Cross multiply
    2,519,430,143.20x = 3,779,145,214.80 × 1,907,210,111.20
  4. Step 4: Simplify right side
    2,519,430,143.20x = 7,207,623,965,359,655,936
  5. Step 5: Solve for x
    x = 7,207,623,965,359,655,936/2,519,430,143.20
  6. Step 6: Final answer
    x = 2,860,815,166.80

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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.