Home / 577,368,014.40-866,052,021.60-424,313,006.40

Finding the Fourth Proportional to 577,368,014.40, 866,052,021.60 and 424,313,006.40

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Solution

The fourth proportional to 577,368,014.40, 866,052,021.60 and 424,313,006.40 is: 636,469,509.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,368,014.40 : 866,052,021.60 = 424,313,006.40 : x
  2. Step 2: Convert to fraction form
    577,368,014.40/866,052,021.60 = 424,313,006.40/x
  3. Step 3: Cross multiply
    577,368,014.40x = 866,052,021.60 × 424,313,006.40
  4. Step 4: Simplify right side
    577,368,014.40x = 367,477,136,983,893,696
  5. Step 5: Solve for x
    x = 367,477,136,983,893,696/577,368,014.40
  6. Step 6: Final answer
    x = 636,469,509.60

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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.