Home / 7,189,050,003.20-10,783,575,004.80-1,742,615,187.20

Finding the Fourth Proportional to 7,189,050,003.20, 10,783,575,004.80 and 1,742,615,187.20

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Solution

The fourth proportional to 7,189,050,003.20, 10,783,575,004.80 and 1,742,615,187.20 is: 2,613,922,780.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189,050,003.20 : 10,783,575,004.80 = 1,742,615,187.20 : x
  2. Step 2: Convert to fraction form
    7,189,050,003.20/10,783,575,004.80 = 1,742,615,187.20/x
  3. Step 3: Cross multiply
    7,189,050,003.20x = 10,783,575,004.80 × 1,742,615,187.20
  4. Step 4: Simplify right side
    7,189,050,003.20x = 18,791,621,575,674,793,984
  5. Step 5: Solve for x
    x = 18,791,621,575,674,793,984/7,189,050,003.20
  6. Step 6: Final answer
    x = 2,613,922,780.80

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Double scale
Find fourth proportional to 7,189,050,004.20, 10,783,575,006.30 and 1,742,615,188.20
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.