Home / 746,499,995.20-1,119,749,992.80-692,080,436.80

Finding the Fourth Proportional to 746,499,995.20, 1,119,749,992.80 and 692,080,436.80

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Solution

The fourth proportional to 746,499,995.20, 1,119,749,992.80 and 692,080,436.80 is: 1,038,120,655.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,499,995.20 : 1,119,749,992.80 = 692,080,436.80 : x
  2. Step 2: Convert to fraction form
    746,499,995.20/1,119,749,992.80 = 692,080,436.80/x
  3. Step 3: Cross multiply
    746,499,995.20x = 1,119,749,992.80 × 692,080,436.80
  4. Step 4: Simplify right side
    746,499,995.20x = 774,957,064,123,820,800
  5. Step 5: Solve for x
    x = 774,957,064,123,820,800/746,499,995.20
  6. Step 6: Final answer
    x = 1,038,120,655.20

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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.