Home / 2,519,430,133.60-3,779,145,200.40-1,139,289,666.40

Finding the Fourth Proportional to 2,519,430,133.60, 3,779,145,200.40 and 1,139,289,666.40

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Solution

The fourth proportional to 2,519,430,133.60, 3,779,145,200.40 and 1,139,289,666.40 is: 1,708,934,499.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519,430,133.60 : 3,779,145,200.40 = 1,139,289,666.40 : x
  2. Step 2: Convert to fraction form
    2,519,430,133.60/3,779,145,200.40 = 1,139,289,666.40/x
  3. Step 3: Cross multiply
    2,519,430,133.60x = 3,779,145,200.40 × 1,139,289,666.40
  4. Step 4: Simplify right side
    2,519,430,133.60x = 4,305,541,074,640,877,568
  5. Step 5: Solve for x
    x = 4,305,541,074,640,877,568/2,519,430,133.60
  6. Step 6: Final answer
    x = 1,708,934,499.60

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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.