Home / 435,470,511.20-653,205,766.80-176,809,647.20

Finding the Fourth Proportional to 435,470,511.20, 653,205,766.80 and 176,809,647.20

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Solution

The fourth proportional to 435,470,511.20, 653,205,766.80 and 176,809,647.20 is: 265,214,470.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,470,511.20 : 653,205,766.80 = 176,809,647.20 : x
  2. Step 2: Convert to fraction form
    435,470,511.20/653,205,766.80 = 176,809,647.20/x
  3. Step 3: Cross multiply
    435,470,511.20x = 653,205,766.80 × 176,809,647.20
  4. Step 4: Simplify right side
    435,470,511.20x = 115,493,081,176,913,456
  5. Step 5: Solve for x
    x = 115,493,081,176,913,456/435,470,511.20
  6. Step 6: Final answer
    x = 265,214,470.80

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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.