Home / 1,048,985,191.20-1,574,429,569.20-531,775,437.60

Finding the Fourth Proportional to 1,048,985,191.20, 1,574,429,569.20 and 531,775,437.60

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Solution

The fourth proportional to 1,048,985,191.20, 1,574,429,569.20 and 531,775,437.60 is: 798,145,655.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,985,191.20 : 1,574,429,569.20 = 531,775,437.60 : x
  2. Step 2: Convert to fraction form
    1,048,985,191.20/1,574,429,569.20 = 531,775,437.60/x
  3. Step 3: Cross multiply
    1,048,985,191.20x = 1,574,429,569.20 × 531,775,437.60
  4. Step 4: Simplify right side
    1,048,985,191.20x = 837,242,973,131,709,568
  5. Step 5: Solve for x
    x = 837,242,973,131,709,568/1,048,985,191.20
  6. Step 6: Final answer
    x = 798,145,655.59

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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.