Home / 1,475,491,206.80-2,213,236,810.20-384,974,274.80

Finding the Fourth Proportional to 1,475,491,206.80, 2,213,236,810.20 and 384,974,274.80

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Solution

The fourth proportional to 1,475,491,206.80, 2,213,236,810.20 and 384,974,274.80 is: 577,461,412.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475,491,206.80 : 2,213,236,810.20 = 384,974,274.80 : x
  2. Step 2: Convert to fraction form
    1,475,491,206.80/2,213,236,810.20 = 384,974,274.80/x
  3. Step 3: Cross multiply
    1,475,491,206.80x = 2,213,236,810.20 × 384,974,274.80
  4. Step 4: Simplify right side
    1,475,491,206.80x = 852,039,235,967,410,176
  5. Step 5: Solve for x
    x = 852,039,235,967,410,176/1,475,491,206.80
  6. Step 6: Final answer
    x = 577,461,412.20

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Double scale
Find fourth proportional to 1,475,491,207.80, 2,213,236,811.70 and 384,974,275.80
Similar ratio
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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.