Home / 774,295,963.99-1,161,442,894.18-359,545,991.72

Finding the Fourth Proportional to 774,295,963.99, 1,161,442,894.18 and 359,545,991.72

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Solution

The fourth proportional to 774,295,963.99, 1,161,442,894.18 and 359,545,991.72 is: 539,318,499.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,295,963.99 : 1,161,442,894.18 = 359,545,991.72 : x
  2. Step 2: Convert to fraction form
    774,295,963.99/1,161,442,894.18 = 359,545,991.72/x
  3. Step 3: Cross multiply
    774,295,963.99x = 1,161,442,894.18 × 359,545,991.72
  4. Step 4: Simplify right side
    774,295,963.99x = 417,592,137,214,095,168
  5. Step 5: Solve for x
    x = 417,592,137,214,095,168/774,295,963.99
  6. Step 6: Final answer
    x = 539,318,499.17

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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.