Home / 407,146,999,353.63-561,888,376,128.09-224,244,064,627.92

Finding the Fourth Proportional to 407,146,999,353.63, 561,888,376,128.09 and 224,244,064,627.92

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Solution

The fourth proportional to 407,146,999,353.63, 561,888,376,128.09 and 224,244,064,627.92 is: 309,470,863,177.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,146,999,353.63 : 561,888,376,128.09 = 224,244,064,627.92 : x
  2. Step 2: Convert to fraction form
    407,146,999,353.63/561,888,376,128.09 = 224,244,064,627.92/x
  3. Step 3: Cross multiply
    407,146,999,353.63x = 561,888,376,128.09 × 224,244,064,627.92
  4. Step 4: Simplify right side
    407,146,999,353.63x = 126,000,133,330,144,440,877,056
  5. Step 5: Solve for x
    x = 126,000,133,330,144,440,877,056/407,146,999,353.63
  6. Step 6: Final answer
    x = 309,470,863,177.62

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1.5x scale

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.