Home / 650,516,501.52-897,728,386.32-353,171,276.28

Finding the Fourth Proportional to 650,516,501.52, 897,728,386.32 and 353,171,276.28

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Solution

The fourth proportional to 650,516,501.52, 897,728,386.32 and 353,171,276.28 is: 487,384,838.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,516,501.52 : 897,728,386.32 = 353,171,276.28 : x
  2. Step 2: Convert to fraction form
    650,516,501.52/897,728,386.32 = 353,171,276.28/x
  3. Step 3: Cross multiply
    650,516,501.52x = 897,728,386.32 × 353,171,276.28
  4. Step 4: Simplify right side
    650,516,501.52x = 317,051,879,949,419,264
  5. Step 5: Solve for x
    x = 317,051,879,949,419,264/650,516,501.52
  6. Step 6: Final answer
    x = 487,384,838.37

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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.