Home / 505,510,832,303.40-697,604,780,199.85-277,135,170,938.78

Finding the Fourth Proportional to 505,510,832,303.40, 697,604,780,199.85 and 277,135,170,938.78

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Solution

The fourth proportional to 505,510,832,303.40, 697,604,780,199.85 and 277,135,170,938.78 is: 382,446,443,585.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,510,832,303.40 : 697,604,780,199.85 = 277,135,170,938.78 : x
  2. Step 2: Convert to fraction form
    505,510,832,303.40/697,604,780,199.85 = 277,135,170,938.78/x
  3. Step 3: Cross multiply
    505,510,832,303.40x = 697,604,780,199.85 × 277,135,170,938.78
  4. Step 4: Simplify right side
    505,510,832,303.40x = 193,330,820,008,395,497,537,536
  5. Step 5: Solve for x
    x = 193,330,820,008,395,497,537,536/505,510,832,303.40
  6. Step 6: Final answer
    x = 382,446,443,585.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.