Home / 759,626,861.80-1,139,280,858.43-214,240,849.96

Finding the Fourth Proportional to 759,626,861.80, 1,139,280,858.43 and 214,240,849.96

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Solution

The fourth proportional to 759,626,861.80, 1,139,280,858.43 and 214,240,849.96 is: 321,316,309.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,626,861.80 : 1,139,280,858.43 = 214,240,849.96 : x
  2. Step 2: Convert to fraction form
    759,626,861.80/1,139,280,858.43 = 214,240,849.96/x
  3. Step 3: Cross multiply
    759,626,861.80x = 1,139,280,858.43 × 214,240,849.96
  4. Step 4: Simplify right side
    759,626,861.80x = 244,080,499,452,130,432
  5. Step 5: Solve for x
    x = 244,080,499,452,130,432/759,626,861.80
  6. Step 6: Final answer
    x = 321,316,309.00

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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.