Home / 435,639,968.70-653,459,953.05-433,089,051.90

Finding the Fourth Proportional to 435,639,968.70, 653,459,953.05 and 433,089,051.90

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Solution

The fourth proportional to 435,639,968.70, 653,459,953.05 and 433,089,051.90 is: 649,633,577.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,639,968.70 : 653,459,953.05 = 433,089,051.90 : x
  2. Step 2: Convert to fraction form
    435,639,968.70/653,459,953.05 = 433,089,051.90/x
  3. Step 3: Cross multiply
    435,639,968.70x = 653,459,953.05 × 433,089,051.90
  4. Step 4: Simplify right side
    435,639,968.70x = 283,006,351,521,042,976
  5. Step 5: Solve for x
    x = 283,006,351,521,042,976/435,639,968.70
  6. Step 6: Final answer
    x = 649,633,577.85

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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.