Home / 379,831,207.40-569,746,811.10-354,350,810.60

Finding the Fourth Proportional to 379,831,207.40, 569,746,811.10 and 354,350,810.60

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Solution

The fourth proportional to 379,831,207.40, 569,746,811.10 and 354,350,810.60 is: 531,526,215.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,831,207.40 : 569,746,811.10 = 354,350,810.60 : x
  2. Step 2: Convert to fraction form
    379,831,207.40/569,746,811.10 = 354,350,810.60/x
  3. Step 3: Cross multiply
    379,831,207.40x = 569,746,811.10 × 354,350,810.60
  4. Step 4: Simplify right side
    379,831,207.40x = 201,890,244,350,050,112
  5. Step 5: Solve for x
    x = 201,890,244,350,050,112/379,831,207.40
  6. Step 6: Final answer
    x = 531,526,215.90

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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.