Home / 647,689,582.37-971,537,219.80-205,034,436.66

Finding the Fourth Proportional to 647,689,582.37, 971,537,219.80 and 205,034,436.66

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Solution

The fourth proportional to 647,689,582.37, 971,537,219.80 and 205,034,436.66 is: 307,552,556.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,689,582.37 : 971,537,219.80 = 205,034,436.66 : x
  2. Step 2: Convert to fraction form
    647,689,582.37/971,537,219.80 = 205,034,436.66/x
  3. Step 3: Cross multiply
    647,689,582.37x = 971,537,219.80 × 205,034,436.66
  4. Step 4: Simplify right side
    647,689,582.37x = 199,198,586,551,570,496
  5. Step 5: Solve for x
    x = 199,198,586,551,570,496/647,689,582.37
  6. Step 6: Final answer
    x = 307,552,556.00

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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.