Home / 880,102,955.80-1,320,154,433.70-266,607,465.40

Finding the Fourth Proportional to 880,102,955.80, 1,320,154,433.70 and 266,607,465.40

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Solution

The fourth proportional to 880,102,955.80, 1,320,154,433.70 and 266,607,465.40 is: 399,911,198.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,102,955.80 : 1,320,154,433.70 = 266,607,465.40 : x
  2. Step 2: Convert to fraction form
    880,102,955.80/1,320,154,433.70 = 266,607,465.40/x
  3. Step 3: Cross multiply
    880,102,955.80x = 1,320,154,433.70 × 266,607,465.40
  4. Step 4: Simplify right side
    880,102,955.80x = 351,963,027,505,329,344
  5. Step 5: Solve for x
    x = 351,963,027,505,329,344/880,102,955.80
  6. Step 6: Final answer
    x = 399,911,198.10

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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.