Home / 880,795,779.24-1,215,533,196.90-484,351,271.40

Finding the Fourth Proportional to 880,795,779.24, 1,215,533,196.90 and 484,351,271.40

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Solution

The fourth proportional to 880,795,779.24, 1,215,533,196.90 and 484,351,271.40 is: 668,424,012.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,795,779.24 : 1,215,533,196.90 = 484,351,271.40 : x
  2. Step 2: Convert to fraction form
    880,795,779.24/1,215,533,196.90 = 484,351,271.40/x
  3. Step 3: Cross multiply
    880,795,779.24x = 1,215,533,196.90 × 484,351,271.40
  4. Step 4: Simplify right side
    880,795,779.24x = 588,745,049,347,421,568
  5. Step 5: Solve for x
    x = 588,745,049,347,421,568/880,795,779.24
  6. Step 6: Final answer
    x = 668,424,012.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.