Home / 1,779,626,813.90-2,667,550,652.85-858,903,313.10

Finding the Fourth Proportional to 1,779,626,813.90, 2,667,550,652.85 and 858,903,313.10

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Solution

The fourth proportional to 1,779,626,813.90, 2,667,550,652.85 and 858,903,313.10 is: 1,287,443,005.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,626,813.90 : 2,667,550,652.85 = 858,903,313.10 : x
  2. Step 2: Convert to fraction form
    1,779,626,813.90/2,667,550,652.85 = 858,903,313.10/x
  3. Step 3: Cross multiply
    1,779,626,813.90x = 2,667,550,652.85 × 858,903,313.10
  4. Step 4: Simplify right side
    1,779,626,813.90x = 2,291,168,093,594,932,992
  5. Step 5: Solve for x
    x = 2,291,168,093,594,932,992/1,779,626,813.90
  6. Step 6: Final answer
    x = 1,287,443,005.30

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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.