Home / 84,668,529,688.32-127,002,794,488.72-31,613,706,119.28

Finding the Fourth Proportional to 84,668,529,688.32, 127,002,794,488.72 and 31,613,706,119.28

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Solution

The fourth proportional to 84,668,529,688.32, 127,002,794,488.72 and 31,613,706,119.28 is: 47,420,559,162.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,668,529,688.32 : 127,002,794,488.72 = 31,613,706,119.28 : x
  2. Step 2: Convert to fraction form
    84,668,529,688.32/127,002,794,488.72 = 31,613,706,119.28/x
  3. Step 3: Cross multiply
    84,668,529,688.32x = 127,002,794,488.72 × 31,613,706,119.28
  4. Step 4: Simplify right side
    84,668,529,688.32x = 4,015,029,021,293,707,526,144
  5. Step 5: Solve for x
    x = 4,015,029,021,293,707,526,144/84,668,529,688.32
  6. Step 6: Final answer
    x = 47,420,559,162.58

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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.