Home / 374,543,999.60-561,815,999.40-306,463,564.40

Finding the Fourth Proportional to 374,543,999.60, 561,815,999.40 and 306,463,564.40

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Solution

The fourth proportional to 374,543,999.60, 561,815,999.40 and 306,463,564.40 is: 459,695,346.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,543,999.60 : 561,815,999.40 = 306,463,564.40 : x
  2. Step 2: Convert to fraction form
    374,543,999.60/561,815,999.40 = 306,463,564.40/x
  3. Step 3: Cross multiply
    374,543,999.60x = 561,815,999.40 × 306,463,564.40
  4. Step 4: Simplify right side
    374,543,999.60x = 172,176,133,713,072,256
  5. Step 5: Solve for x
    x = 172,176,133,713,072,256/374,543,999.60
  6. Step 6: Final answer
    x = 459,695,346.60

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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.