Home / 880,186,303.80-1,320,279,455.70-266,690,813.40

Finding the Fourth Proportional to 880,186,303.80, 1,320,279,455.70 and 266,690,813.40

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Solution

The fourth proportional to 880,186,303.80, 1,320,279,455.70 and 266,690,813.40 is: 400,036,220.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,186,303.80 : 1,320,279,455.70 = 266,690,813.40 : x
  2. Step 2: Convert to fraction form
    880,186,303.80/1,320,279,455.70 = 266,690,813.40/x
  3. Step 3: Cross multiply
    880,186,303.80x = 1,320,279,455.70 × 266,690,813.40
  4. Step 4: Simplify right side
    880,186,303.80x = 352,106,401,955,942,272
  5. Step 5: Solve for x
    x = 352,106,401,955,942,272/880,186,303.80
  6. Step 6: Final answer
    x = 400,036,220.10

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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.