Home / 352,871,990.60-529,307,985.90-336,999,619.40

Finding the Fourth Proportional to 352,871,990.60, 529,307,985.90 and 336,999,619.40

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Solution

The fourth proportional to 352,871,990.60, 529,307,985.90 and 336,999,619.40 is: 505,499,429.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,871,990.60 : 529,307,985.90 = 336,999,619.40 : x
  2. Step 2: Convert to fraction form
    352,871,990.60/529,307,985.90 = 336,999,619.40/x
  3. Step 3: Cross multiply
    352,871,990.60x = 529,307,985.90 × 336,999,619.40
  4. Step 4: Simplify right side
    352,871,990.60x = 178,376,589,793,680,544
  5. Step 5: Solve for x
    x = 178,376,589,793,680,544/352,871,990.60
  6. Step 6: Final answer
    x = 505,499,429.10

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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.