Home / 7,931,871,351.18-10,961,687,552.31-6,500,685,110.67

Finding the Fourth Proportional to 7,931,871,351.18, 10,961,687,552.31 and 6,500,685,110.67

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Solution

The fourth proportional to 7,931,871,351.18, 10,961,687,552.31 and 6,500,685,110.67 is: 8,983,816,794.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931,871,351.18 : 10,961,687,552.31 = 6,500,685,110.67 : x
  2. Step 2: Convert to fraction form
    7,931,871,351.18/10,961,687,552.31 = 6,500,685,110.67/x
  3. Step 3: Cross multiply
    7,931,871,351.18x = 10,961,687,552.31 × 6,500,685,110.67
  4. Step 4: Simplify right side
    7,931,871,351.18x = 71,258,479,059,118,292,992
  5. Step 5: Solve for x
    x = 71,258,479,059,118,292,992/7,931,871,351.18
  6. Step 6: Final answer
    x = 8,983,816,794.82

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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.