Home / 435,639,994.20-653,459,991.30-433,089,077.40

Finding the Fourth Proportional to 435,639,994.20, 653,459,991.30 and 433,089,077.40

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Solution

The fourth proportional to 435,639,994.20, 653,459,991.30 and 433,089,077.40 is: 649,633,616.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,639,994.20 : 653,459,991.30 = 433,089,077.40 : x
  2. Step 2: Convert to fraction form
    435,639,994.20/653,459,991.30 = 433,089,077.40/x
  3. Step 3: Cross multiply
    435,639,994.20x = 653,459,991.30 × 433,089,077.40
  4. Step 4: Simplify right side
    435,639,994.20x = 283,006,384,749,928,992
  5. Step 5: Solve for x
    x = 283,006,384,749,928,992/435,639,994.20
  6. Step 6: Final answer
    x = 649,633,616.10

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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.