Home / 957,920,259.60-1,436,880,389.40-311,688,003.60

Finding the Fourth Proportional to 957,920,259.60, 1,436,880,389.40 and 311,688,003.60

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Solution

The fourth proportional to 957,920,259.60, 1,436,880,389.40 and 311,688,003.60 is: 467,532,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,920,259.60 : 1,436,880,389.40 = 311,688,003.60 : x
  2. Step 2: Convert to fraction form
    957,920,259.60/1,436,880,389.40 = 311,688,003.60/x
  3. Step 3: Cross multiply
    957,920,259.60x = 1,436,880,389.40 × 311,688,003.60
  4. Step 4: Simplify right side
    957,920,259.60x = 447,858,379,984,076,672
  5. Step 5: Solve for x
    x = 447,858,379,984,076,672/957,920,259.60
  6. Step 6: Final answer
    x = 467,532,005.40

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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.