Home / 885,775,853.60-1,328,663,780.40-368,034,221.60

Finding the Fourth Proportional to 885,775,853.60, 1,328,663,780.40 and 368,034,221.60

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Solution

The fourth proportional to 885,775,853.60, 1,328,663,780.40 and 368,034,221.60 is: 552,051,332.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,775,853.60 : 1,328,663,780.40 = 368,034,221.60 : x
  2. Step 2: Convert to fraction form
    885,775,853.60/1,328,663,780.40 = 368,034,221.60/x
  3. Step 3: Cross multiply
    885,775,853.60x = 1,328,663,780.40 × 368,034,221.60
  4. Step 4: Simplify right side
    885,775,853.60x = 488,993,740,187,627,392
  5. Step 5: Solve for x
    x = 488,993,740,187,627,392/885,775,853.60
  6. Step 6: Final answer
    x = 552,051,332.40

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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.