Home / 317,088,004.20-475,632,006.30-208,598,807.40

Finding the Fourth Proportional to 317,088,004.20, 475,632,006.30 and 208,598,807.40

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Solution

The fourth proportional to 317,088,004.20, 475,632,006.30 and 208,598,807.40 is: 312,898,211.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,088,004.20 : 475,632,006.30 = 208,598,807.40 : x
  2. Step 2: Convert to fraction form
    317,088,004.20/475,632,006.30 = 208,598,807.40/x
  3. Step 3: Cross multiply
    317,088,004.20x = 475,632,006.30 × 208,598,807.40
  4. Step 4: Simplify right side
    317,088,004.20x = 99,216,269,275,449,296
  5. Step 5: Solve for x
    x = 99,216,269,275,449,296/317,088,004.20
  6. Step 6: Final answer
    x = 312,898,211.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.