Home / 776,623,279.63-1,164,934,934.90-186,413,519.38

Finding the Fourth Proportional to 776,623,279.63, 1,164,934,934.90 and 186,413,519.38

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Solution

The fourth proportional to 776,623,279.63, 1,164,934,934.90 and 186,413,519.38 is: 279,620,282.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,623,279.63 : 1,164,934,934.90 = 186,413,519.38 : x
  2. Step 2: Convert to fraction form
    776,623,279.63/1,164,934,934.90 = 186,413,519.38/x
  3. Step 3: Cross multiply
    776,623,279.63x = 1,164,934,934.90 × 186,413,519.38
  4. Step 4: Simplify right side
    776,623,279.63x = 217,159,621,063,420,192
  5. Step 5: Solve for x
    x = 217,159,621,063,420,192/776,623,279.63
  6. Step 6: Final answer
    x = 279,620,282.78

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1.5x scale

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.