Home / 1,050,903,145.60-1,576,354,718.40-663,919,619.20

Finding the Fourth Proportional to 1,050,903,145.60, 1,576,354,718.40 and 663,919,619.20

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Solution

The fourth proportional to 1,050,903,145.60, 1,576,354,718.40 and 663,919,619.20 is: 995,879,428.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,903,145.60 : 1,576,354,718.40 = 663,919,619.20 : x
  2. Step 2: Convert to fraction form
    1,050,903,145.60/1,576,354,718.40 = 663,919,619.20/x
  3. Step 3: Cross multiply
    1,050,903,145.60x = 1,576,354,718.40 × 663,919,619.20
  4. Step 4: Simplify right side
    1,050,903,145.60x = 1,046,572,824,364,251,392
  5. Step 5: Solve for x
    x = 1,046,572,824,364,251,392/1,050,903,145.60
  6. Step 6: Final answer
    x = 995,879,428.80

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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.