Home / 1,186,852,169.12-1,780,535,346.48-357,736,455.92

Finding the Fourth Proportional to 1,186,852,169.12, 1,780,535,346.48 and 357,736,455.92

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Solution

The fourth proportional to 1,186,852,169.12, 1,780,535,346.48 and 357,736,455.92 is: 536,682,175.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,852,169.12 : 1,780,535,346.48 = 357,736,455.92 : x
  2. Step 2: Convert to fraction form
    1,186,852,169.12/1,780,535,346.48 = 357,736,455.92/x
  3. Step 3: Cross multiply
    1,186,852,169.12x = 1,780,535,346.48 × 357,736,455.92
  4. Step 4: Simplify right side
    1,186,852,169.12x = 636,962,404,490,044,544
  5. Step 5: Solve for x
    x = 636,962,404,490,044,544/1,186,852,169.12
  6. Step 6: Final answer
    x = 536,682,175.81

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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.