Home / 875,968,914.08-1,208,837,479.84-479,494,164.88

Finding the Fourth Proportional to 875,968,914.08, 1,208,837,479.84 and 479,494,164.88

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Solution

The fourth proportional to 875,968,914.08, 1,208,837,479.84 and 479,494,164.88 is: 661,702,154.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,968,914.08 : 1,208,837,479.84 = 479,494,164.88 : x
  2. Step 2: Convert to fraction form
    875,968,914.08/1,208,837,479.84 = 479,494,164.88/x
  3. Step 3: Cross multiply
    875,968,914.08x = 1,208,837,479.84 × 479,494,164.88
  4. Step 4: Simplify right side
    875,968,914.08x = 579,630,517,871,524,608
  5. Step 5: Solve for x
    x = 579,630,517,871,524,608/875,968,914.08
  6. Step 6: Final answer
    x = 661,702,154.67

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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.