Home / 1,330,779,043.60-1,996,131,240.60-603,766,589.20

Finding the Fourth Proportional to 1,330,779,043.60, 1,996,131,240.60 and 603,766,589.20

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Solution

The fourth proportional to 1,330,779,043.60, 1,996,131,240.60 and 603,766,589.20 is: 905,632,949.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,779,043.60 : 1,996,131,240.60 = 603,766,589.20 : x
  2. Step 2: Convert to fraction form
    1,330,779,043.60/1,996,131,240.60 = 603,766,589.20/x
  3. Step 3: Cross multiply
    1,330,779,043.60x = 1,996,131,240.60 × 603,766,589.20
  4. Step 4: Simplify right side
    1,330,779,043.60x = 1,205,197,350,732,626,688
  5. Step 5: Solve for x
    x = 1,205,197,350,732,626,688/1,330,779,043.60
  6. Step 6: Final answer
    x = 905,632,949.76

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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.