Home / 651,811,105.20-977,716,657.80-445,186,844.40

Finding the Fourth Proportional to 651,811,105.20, 977,716,657.80 and 445,186,844.40

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Solution

The fourth proportional to 651,811,105.20, 977,716,657.80 and 445,186,844.40 is: 667,780,266.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,811,105.20 : 977,716,657.80 = 445,186,844.40 : x
  2. Step 2: Convert to fraction form
    651,811,105.20/977,716,657.80 = 445,186,844.40/x
  3. Step 3: Cross multiply
    651,811,105.20x = 977,716,657.80 × 445,186,844.40
  4. Step 4: Simplify right side
    651,811,105.20x = 435,266,593,603,296,576
  5. Step 5: Solve for x
    x = 435,266,593,603,296,576/651,811,105.20
  6. Step 6: Final answer
    x = 667,780,266.60

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Double scale
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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.