Home / 1,182,103,973.70-1,773,155,960.55-320,460,965.70

Finding the Fourth Proportional to 1,182,103,973.70, 1,773,155,960.55 and 320,460,965.70

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Solution

The fourth proportional to 1,182,103,973.70, 1,773,155,960.55 and 320,460,965.70 is: 480,691,448.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,103,973.70 : 1,773,155,960.55 = 320,460,965.70 : x
  2. Step 2: Convert to fraction form
    1,182,103,973.70/1,773,155,960.55 = 320,460,965.70/x
  3. Step 3: Cross multiply
    1,182,103,973.70x = 1,773,155,960.55 × 320,460,965.70
  4. Step 4: Simplify right side
    1,182,103,973.70x = 568,227,271,454,564,096
  5. Step 5: Solve for x
    x = 568,227,271,454,564,096/1,182,103,973.70
  6. Step 6: Final answer
    x = 480,691,448.55

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Half scale
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Double scale
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Similar ratio
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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.