Home / 514,946,266.80-772,419,400.20-169,953,140.40

Finding the Fourth Proportional to 514,946,266.80, 772,419,400.20 and 169,953,140.40

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Solution

The fourth proportional to 514,946,266.80, 772,419,400.20 and 169,953,140.40 is: 254,929,710.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,946,266.80 : 772,419,400.20 = 169,953,140.40 : x
  2. Step 2: Convert to fraction form
    514,946,266.80/772,419,400.20 = 169,953,140.40/x
  3. Step 3: Cross multiply
    514,946,266.80x = 772,419,400.20 × 169,953,140.40
  4. Step 4: Simplify right side
    514,946,266.80x = 131,275,102,769,874,400
  5. Step 5: Solve for x
    x = 131,275,102,769,874,400/514,946,266.80
  6. Step 6: Final answer
    x = 254,929,710.60

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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.