Home / 317,659,616.53-438,380,916.19-176,536,785.02

Finding the Fourth Proportional to 317,659,616.53, 438,380,916.19 and 176,536,785.02

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Solution

The fourth proportional to 317,659,616.53, 438,380,916.19 and 176,536,785.02 is: 243,626,679.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,659,616.53 : 438,380,916.19 = 176,536,785.02 : x
  2. Step 2: Convert to fraction form
    317,659,616.53/438,380,916.19 = 176,536,785.02/x
  3. Step 3: Cross multiply
    317,659,616.53x = 438,380,916.19 × 176,536,785.02
  4. Step 4: Simplify right side
    317,659,616.53x = 77,390,357,556,112,752
  5. Step 5: Solve for x
    x = 77,390,357,556,112,752/317,659,616.53
  6. Step 6: Final answer
    x = 243,626,679.41

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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.