Home / 2,155,327,904.40-3,232,991,856.60-1,690,423,317.60

Finding the Fourth Proportional to 2,155,327,904.40, 3,232,991,856.60 and 1,690,423,317.60

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Solution

The fourth proportional to 2,155,327,904.40, 3,232,991,856.60 and 1,690,423,317.60 is: 2,535,634,976.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,327,904.40 : 3,232,991,856.60 = 1,690,423,317.60 : x
  2. Step 2: Convert to fraction form
    2,155,327,904.40/3,232,991,856.60 = 1,690,423,317.60/x
  3. Step 3: Cross multiply
    2,155,327,904.40x = 3,232,991,856.60 × 1,690,423,317.60
  4. Step 4: Simplify right side
    2,155,327,904.40x = 5,465,124,820,007,555,072
  5. Step 5: Solve for x
    x = 5,465,124,820,007,555,072/2,155,327,904.40
  6. Step 6: Final answer
    x = 2,535,634,976.40

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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.