Home / 1,182,103,933.20-1,773,155,899.80-320,460,925.20

Finding the Fourth Proportional to 1,182,103,933.20, 1,773,155,899.80 and 320,460,925.20

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Solution

The fourth proportional to 1,182,103,933.20, 1,773,155,899.80 and 320,460,925.20 is: 480,691,387.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,103,933.20 : 1,773,155,899.80 = 320,460,925.20 : x
  2. Step 2: Convert to fraction form
    1,182,103,933.20/1,773,155,899.80 = 320,460,925.20/x
  3. Step 3: Cross multiply
    1,182,103,933.20x = 1,773,155,899.80 × 320,460,925.20
  4. Step 4: Simplify right side
    1,182,103,933.20x = 568,227,180,173,746,432
  5. Step 5: Solve for x
    x = 568,227,180,173,746,432/1,182,103,933.20
  6. Step 6: Final answer
    x = 480,691,387.80

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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.