Home / 746,500,623.40-1,119,750,935.10-439,634,780.20

Finding the Fourth Proportional to 746,500,623.40, 1,119,750,935.10 and 439,634,780.20

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Solution

The fourth proportional to 746,500,623.40, 1,119,750,935.10 and 439,634,780.20 is: 659,452,170.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,500,623.40 : 1,119,750,935.10 = 439,634,780.20 : x
  2. Step 2: Convert to fraction form
    746,500,623.40/1,119,750,935.10 = 439,634,780.20/x
  3. Step 3: Cross multiply
    746,500,623.40x = 1,119,750,935.10 × 439,634,780.20
  4. Step 4: Simplify right side
    746,500,623.40x = 492,281,456,231,432,896
  5. Step 5: Solve for x
    x = 492,281,456,231,432,896/746,500,623.40
  6. Step 6: Final answer
    x = 659,452,170.30

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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.