Home / 415,456,278,928.03-622,372,824,835.30-286,208,824,483.10

Finding the Fourth Proportional to 415,456,278,928.03, 622,372,824,835.30 and 286,208,824,483.10

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Solution

The fourth proportional to 415,456,278,928.03, 622,372,824,835.30 and 286,208,824,483.10 is: 428,754,127,981.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,456,278,928.03 : 622,372,824,835.30 = 286,208,824,483.10 : x
  2. Step 2: Convert to fraction form
    415,456,278,928.03/622,372,824,835.30 = 286,208,824,483.10/x
  3. Step 3: Cross multiply
    415,456,278,928.03x = 622,372,824,835.30 × 286,208,824,483.10
  4. Step 4: Simplify right side
    415,456,278,928.03x = 178,128,594,586,337,529,561,088
  5. Step 5: Solve for x
    x = 178,128,594,586,337,529,561,088/415,456,278,928.03
  6. Step 6: Final answer
    x = 428,754,127,981.77

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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.