Home / 1,470,089,152.40-2,204,495,999.40-487,135,878.80

Finding the Fourth Proportional to 1,470,089,152.40, 2,204,495,999.40 and 487,135,878.80

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Solution

The fourth proportional to 1,470,089,152.40, 2,204,495,999.40 and 487,135,878.80 is: 730,492,497.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,089,152.40 : 2,204,495,999.40 = 487,135,878.80 : x
  2. Step 2: Convert to fraction form
    1,470,089,152.40/2,204,495,999.40 = 487,135,878.80/x
  3. Step 3: Cross multiply
    1,470,089,152.40x = 2,204,495,999.40 × 487,135,878.80
  4. Step 4: Simplify right side
    1,470,089,152.40x = 1,073,889,095,978,803,328
  5. Step 5: Solve for x
    x = 1,073,889,095,978,803,328/1,470,089,152.40
  6. Step 6: Final answer
    x = 730,492,497.16

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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.