Home / 1,303,747,779.20-1,955,621,668.80-997,637,763.20

Finding the Fourth Proportional to 1,303,747,779.20, 1,955,621,668.80 and 997,637,763.20

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Solution

The fourth proportional to 1,303,747,779.20, 1,955,621,668.80 and 997,637,763.20 is: 1,496,456,644.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,747,779.20 : 1,955,621,668.80 = 997,637,763.20 : x
  2. Step 2: Convert to fraction form
    1,303,747,779.20/1,955,621,668.80 = 997,637,763.20/x
  3. Step 3: Cross multiply
    1,303,747,779.20x = 1,955,621,668.80 × 997,637,763.20
  4. Step 4: Simplify right side
    1,303,747,779.20x = 1,951,002,027,327,083,264
  5. Step 5: Solve for x
    x = 1,951,002,027,327,083,264/1,303,747,779.20
  6. Step 6: Final answer
    x = 1,496,456,644.80

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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.