Home / 1,182,103,973.20-1,773,155,959.80-320,460,965.20

Finding the Fourth Proportional to 1,182,103,973.20, 1,773,155,959.80 and 320,460,965.20

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Solution

The fourth proportional to 1,182,103,973.20, 1,773,155,959.80 and 320,460,965.20 is: 480,691,447.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,103,973.20 : 1,773,155,959.80 = 320,460,965.20 : x
  2. Step 2: Convert to fraction form
    1,182,103,973.20/1,773,155,959.80 = 320,460,965.20/x
  3. Step 3: Cross multiply
    1,182,103,973.20x = 1,773,155,959.80 × 320,460,965.20
  4. Step 4: Simplify right side
    1,182,103,973.20x = 568,227,270,327,640,384
  5. Step 5: Solve for x
    x = 568,227,270,327,640,384/1,182,103,973.20
  6. Step 6: Final answer
    x = 480,691,447.80

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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.