Home / 3,779,140,499.60-5,668,710,749.40-1,942,480,403.60

Finding the Fourth Proportional to 3,779,140,499.60, 5,668,710,749.40 and 1,942,480,403.60

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Solution

The fourth proportional to 3,779,140,499.60, 5,668,710,749.40 and 1,942,480,403.60 is: 2,913,720,605.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779,140,499.60 : 5,668,710,749.40 = 1,942,480,403.60 : x
  2. Step 2: Convert to fraction form
    3,779,140,499.60/5,668,710,749.40 = 1,942,480,403.60/x
  3. Step 3: Cross multiply
    3,779,140,499.60x = 5,668,710,749.40 × 1,942,480,403.60
  4. Step 4: Simplify right side
    3,779,140,499.60x = 11,011,359,544,386,168,832
  5. Step 5: Solve for x
    x = 11,011,359,544,386,168,832/3,779,140,499.60
  6. Step 6: Final answer
    x = 2,913,720,605.40

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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.