Home / 435,639,923.20-653,459,884.80-433,089,006.40

Finding the Fourth Proportional to 435,639,923.20, 653,459,884.80 and 433,089,006.40

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Solution

The fourth proportional to 435,639,923.20, 653,459,884.80 and 433,089,006.40 is: 649,633,509.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,639,923.20 : 653,459,884.80 = 433,089,006.40 : x
  2. Step 2: Convert to fraction form
    435,639,923.20/653,459,884.80 = 433,089,006.40/x
  3. Step 3: Cross multiply
    435,639,923.20x = 653,459,884.80 × 433,089,006.40
  4. Step 4: Simplify right side
    435,639,923.20x = 283,006,292,230,290,432
  5. Step 5: Solve for x
    x = 283,006,292,230,290,432/435,639,923.20
  6. Step 6: Final answer
    x = 649,633,509.60

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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.