Home / 317,047,143.10-442,959,007.70-317,047,143.10

Finding the Fourth Proportional to 317,047,143.10, 442,959,007.70 and 317,047,143.10

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Solution

The fourth proportional to 317,047,143.10, 442,959,007.70 and 317,047,143.10 is: 442,959,007.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,047,143.10 : 442,959,007.70 = 317,047,143.10 : x
  2. Step 2: Convert to fraction form
    317,047,143.10/442,959,007.70 = 317,047,143.10/x
  3. Step 3: Cross multiply
    317,047,143.10x = 442,959,007.70 × 317,047,143.10
  4. Step 4: Simplify right side
    317,047,143.10x = 140,438,887,901,695,904
  5. Step 5: Solve for x
    x = 140,438,887,901,695,904/317,047,143.10
  6. Step 6: Final answer
    x = 442,959,007.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.