Home / 2,519,431,209.60-3,779,146,814.40-1,139,290,742.40

Finding the Fourth Proportional to 2,519,431,209.60, 3,779,146,814.40 and 1,139,290,742.40

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Solution

The fourth proportional to 2,519,431,209.60, 3,779,146,814.40 and 1,139,290,742.40 is: 1,708,936,113.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519,431,209.60 : 3,779,146,814.40 = 1,139,290,742.40 : x
  2. Step 2: Convert to fraction form
    2,519,431,209.60/3,779,146,814.40 = 1,139,290,742.40/x
  3. Step 3: Cross multiply
    2,519,431,209.60x = 3,779,146,814.40 × 1,139,290,742.40
  4. Step 4: Simplify right side
    2,519,431,209.60x = 4,305,546,979,816,371,712
  5. Step 5: Solve for x
    x = 4,305,546,979,816,371,712/2,519,431,209.60
  6. Step 6: Final answer
    x = 1,708,936,113.60

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Double scale
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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.