Home / 827,429,186.40-1,241,143,779.60-366,878,479.20

Finding the Fourth Proportional to 827,429,186.40, 1,241,143,779.60 and 366,878,479.20

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Solution

The fourth proportional to 827,429,186.40, 1,241,143,779.60 and 366,878,479.20 is: 550,317,718.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,429,186.40 : 1,241,143,779.60 = 366,878,479.20 : x
  2. Step 2: Convert to fraction form
    827,429,186.40/1,241,143,779.60 = 366,878,479.20/x
  3. Step 3: Cross multiply
    827,429,186.40x = 1,241,143,779.60 × 366,878,479.20
  4. Step 4: Simplify right side
    827,429,186.40x = 455,348,942,328,187,904
  5. Step 5: Solve for x
    x = 455,348,942,328,187,904/827,429,186.40
  6. Step 6: Final answer
    x = 550,317,718.80

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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.