Home / 759,626,861.30-1,139,280,857.67-214,240,849.46

Finding the Fourth Proportional to 759,626,861.30, 1,139,280,857.67 and 214,240,849.46

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Solution

The fourth proportional to 759,626,861.30, 1,139,280,857.67 and 214,240,849.46 is: 321,316,308.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,626,861.30 : 1,139,280,857.67 = 214,240,849.46 : x
  2. Step 2: Convert to fraction form
    759,626,861.30/1,139,280,857.67 = 214,240,849.46/x
  3. Step 3: Cross multiply
    759,626,861.30x = 1,139,280,857.67 × 214,240,849.46
  4. Step 4: Simplify right side
    759,626,861.30x = 244,080,498,720,106,784
  5. Step 5: Solve for x
    x = 244,080,498,720,106,784/759,626,861.30
  6. Step 6: Final answer
    x = 321,316,308.25

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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.