Home / 1,048,984,972.20-1,574,429,240.70-531,775,218.60

Finding the Fourth Proportional to 1,048,984,972.20, 1,574,429,240.70 and 531,775,218.60

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Solution

The fourth proportional to 1,048,984,972.20, 1,574,429,240.70 and 531,775,218.60 is: 798,145,326.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,984,972.20 : 1,574,429,240.70 = 531,775,218.60 : x
  2. Step 2: Convert to fraction form
    1,048,984,972.20/1,574,429,240.70 = 531,775,218.60/x
  3. Step 3: Cross multiply
    1,048,984,972.20x = 1,574,429,240.70 × 531,775,218.60
  4. Step 4: Simplify right side
    1,048,984,972.20x = 837,242,453,643,474,560
  5. Step 5: Solve for x
    x = 837,242,453,643,474,560/1,048,984,972.20
  6. Step 6: Final answer
    x = 798,145,326.99

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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.