Home / 1,103,837,174.61-1,523,531,039.49-634,197,448.50

Finding the Fourth Proportional to 1,103,837,174.61, 1,523,531,039.49 and 634,197,448.50

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Solution

The fourth proportional to 1,103,837,174.61, 1,523,531,039.49 and 634,197,448.50 is: 875,327,919.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,837,174.61 : 1,523,531,039.49 = 634,197,448.50 : x
  2. Step 2: Convert to fraction form
    1,103,837,174.61/1,523,531,039.49 = 634,197,448.50/x
  3. Step 3: Cross multiply
    1,103,837,174.61x = 1,523,531,039.49 × 634,197,448.50
  4. Step 4: Simplify right side
    1,103,837,174.61x = 966,219,497,955,110,784
  5. Step 5: Solve for x
    x = 966,219,497,955,110,784/1,103,837,174.61
  6. Step 6: Final answer
    x = 875,327,919.90

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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.