Home / 1,683,778,552.64-2,323,629,437.88-931,142,655.84

Finding the Fourth Proportional to 1,683,778,552.64, 2,323,629,437.88 and 931,142,655.84

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Solution

The fourth proportional to 1,683,778,552.64, 2,323,629,437.88 and 931,142,655.84 is: 1,284,985,179.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,778,552.64 : 2,323,629,437.88 = 931,142,655.84 : x
  2. Step 2: Convert to fraction form
    1,683,778,552.64/2,323,629,437.88 = 931,142,655.84/x
  3. Step 3: Cross multiply
    1,683,778,552.64x = 2,323,629,437.88 × 931,142,655.84
  4. Step 4: Simplify right side
    1,683,778,552.64x = 2,163,630,485,987,864,832
  5. Step 5: Solve for x
    x = 2,163,630,485,987,864,832/1,683,778,552.64
  6. Step 6: Final answer
    x = 1,284,985,179.67

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.