Home / 466,207,285.70-643,362,108.38-257,358,944.32

Finding the Fourth Proportional to 466,207,285.70, 643,362,108.38 and 257,358,944.32

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Solution

The fourth proportional to 466,207,285.70, 643,362,108.38 and 257,358,944.32 is: 355,153,164.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,207,285.70 : 643,362,108.38 = 257,358,944.32 : x
  2. Step 2: Convert to fraction form
    466,207,285.70/643,362,108.38 = 257,358,944.32/x
  3. Step 3: Cross multiply
    466,207,285.70x = 643,362,108.38 × 257,358,944.32
  4. Step 4: Simplify right side
    466,207,285.70x = 165,574,993,026,236,096
  5. Step 5: Solve for x
    x = 165,574,993,026,236,096/466,207,285.70
  6. Step 6: Final answer
    x = 355,153,164.92

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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.