Home / 852,708,625.20-1,277,362,326.60-488,777,828.40

Finding the Fourth Proportional to 852,708,625.20, 1,277,362,326.60 and 488,777,828.40

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Solution

The fourth proportional to 852,708,625.20, 1,277,362,326.60 and 488,777,828.40 is: 732,191,941.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,708,625.20 : 1,277,362,326.60 = 488,777,828.40 : x
  2. Step 2: Convert to fraction form
    852,708,625.20/1,277,362,326.60 = 488,777,828.40/x
  3. Step 3: Cross multiply
    852,708,625.20x = 1,277,362,326.60 × 488,777,828.40
  4. Step 4: Simplify right side
    852,708,625.20x = 624,346,384,075,519,488
  5. Step 5: Solve for x
    x = 624,346,384,075,519,488/852,708,625.20
  6. Step 6: Final answer
    x = 732,191,941.80

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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.