Home / 371,896,725.68-512,049,266.16-316,024,299.44

Finding the Fourth Proportional to 371,896,725.68, 512,049,266.16 and 316,024,299.44

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Solution

The fourth proportional to 371,896,725.68, 512,049,266.16 and 316,024,299.44 is: 435,120,826.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,896,725.68 : 512,049,266.16 = 316,024,299.44 : x
  2. Step 2: Convert to fraction form
    371,896,725.68/512,049,266.16 = 316,024,299.44/x
  3. Step 3: Cross multiply
    371,896,725.68x = 512,049,266.16 × 316,024,299.44
  4. Step 4: Simplify right side
    371,896,725.68x = 161,820,010,616,980,096
  5. Step 5: Solve for x
    x = 161,820,010,616,980,096/371,896,725.68
  6. Step 6: Final answer
    x = 435,120,826.41

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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.