Home / 434,539,998.80-651,809,998.20-189,014,256.80

Finding the Fourth Proportional to 434,539,998.80, 651,809,998.20 and 189,014,256.80

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Solution

The fourth proportional to 434,539,998.80, 651,809,998.20 and 189,014,256.80 is: 283,521,385.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,539,998.80 : 651,809,998.20 = 189,014,256.80 : x
  2. Step 2: Convert to fraction form
    434,539,998.80/651,809,998.20 = 189,014,256.80/x
  3. Step 3: Cross multiply
    434,539,998.80x = 651,809,998.20 × 189,014,256.80
  4. Step 4: Simplify right side
    434,539,998.80x = 123,201,382,384,582,352
  5. Step 5: Solve for x
    x = 123,201,382,384,582,352/434,539,998.80
  6. Step 6: Final answer
    x = 283,521,385.20

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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.