Home / 2,312,611,748.35-3,191,312,275.91-1,309,237,452.16

Finding the Fourth Proportional to 2,312,611,748.35, 3,191,312,275.91 and 1,309,237,452.16

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Solution

The fourth proportional to 2,312,611,748.35, 3,191,312,275.91 and 1,309,237,452.16 is: 1,806,695,635.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312,611,748.35 : 3,191,312,275.91 = 1,309,237,452.16 : x
  2. Step 2: Convert to fraction form
    2,312,611,748.35/3,191,312,275.91 = 1,309,237,452.16/x
  3. Step 3: Cross multiply
    2,312,611,748.35x = 3,191,312,275.91 × 1,309,237,452.16
  4. Step 4: Simplify right side
    2,312,611,748.35x = 4,178,185,553,152,793,600
  5. Step 5: Solve for x
    x = 4,178,185,553,152,793,600/2,312,611,748.35
  6. Step 6: Final answer
    x = 1,806,695,635.85

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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.