Home / 369,792,080.80-554,688,121.20-262,296,656.80

Finding the Fourth Proportional to 369,792,080.80, 554,688,121.20 and 262,296,656.80

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Solution

The fourth proportional to 369,792,080.80, 554,688,121.20 and 262,296,656.80 is: 393,444,985.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,792,080.80 : 554,688,121.20 = 262,296,656.80 : x
  2. Step 2: Convert to fraction form
    369,792,080.80/554,688,121.20 = 262,296,656.80/x
  3. Step 3: Cross multiply
    369,792,080.80x = 554,688,121.20 × 262,296,656.80
  4. Step 4: Simplify right side
    369,792,080.80x = 145,492,839,757,433,216
  5. Step 5: Solve for x
    x = 145,492,839,757,433,216/369,792,080.80
  6. Step 6: Final answer
    x = 393,444,985.20

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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.