Home / 656,937,649.26-985,280,885.01-196,875,812.70

Finding the Fourth Proportional to 656,937,649.26, 985,280,885.01 and 196,875,812.70

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Solution

The fourth proportional to 656,937,649.26, 985,280,885.01 and 196,875,812.70 is: 295,276,081.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,937,649.26 : 985,280,885.01 = 196,875,812.70 : x
  2. Step 2: Convert to fraction form
    656,937,649.26/985,280,885.01 = 196,875,812.70/x
  3. Step 3: Cross multiply
    656,937,649.26x = 985,280,885.01 × 196,875,812.70
  4. Step 4: Simplify right side
    656,937,649.26x = 193,977,974,974,118,976
  5. Step 5: Solve for x
    x = 193,977,974,974,118,976/656,937,649.26
  6. Step 6: Final answer
    x = 295,276,081.67

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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.