Home / 648,554,563.44-972,423,138.60-550,220,628.24

Finding the Fourth Proportional to 648,554,563.44, 972,423,138.60 and 550,220,628.24

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Solution

The fourth proportional to 648,554,563.44, 972,423,138.60 and 550,220,628.24 is: 824,984,203.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,554,563.44 : 972,423,138.60 = 550,220,628.24 : x
  2. Step 2: Convert to fraction form
    648,554,563.44/972,423,138.60 = 550,220,628.24/x
  3. Step 3: Cross multiply
    648,554,563.44x = 972,423,138.60 × 550,220,628.24
  4. Step 4: Simplify right side
    648,554,563.44x = 535,047,270,235,604,608
  5. Step 5: Solve for x
    x = 535,047,270,235,604,608/648,554,563.44
  6. Step 6: Final answer
    x = 824,984,203.95

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1.5x scale

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.