Home / 5,390,065,110.90-8,085,097,666.35-1,305,238,998.90

Finding the Fourth Proportional to 5,390,065,110.90, 8,085,097,666.35 and 1,305,238,998.90

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Solution

The fourth proportional to 5,390,065,110.90, 8,085,097,666.35 and 1,305,238,998.90 is: 1,957,858,498.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,065,110.90 : 8,085,097,666.35 = 1,305,238,998.90 : x
  2. Step 2: Convert to fraction form
    5,390,065,110.90/8,085,097,666.35 = 1,305,238,998.90/x
  3. Step 3: Cross multiply
    5,390,065,110.90x = 8,085,097,666.35 × 1,305,238,998.90
  4. Step 4: Simplify right side
    5,390,065,110.90x = 10,552,984,784,035,401,728
  5. Step 5: Solve for x
    x = 10,552,984,784,035,401,728/5,390,065,110.90
  6. Step 6: Final answer
    x = 1,957,858,498.35

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Double scale
Find fourth proportional to 5,390,065,111.90, 8,085,097,667.85 and 1,305,238,999.90
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.