Home / 743,549,420.73-1,115,087,505.52-245,467,195.77

Finding the Fourth Proportional to 743,549,420.73, 1,115,087,505.52 and 245,467,195.77

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Solution

The fourth proportional to 743,549,420.73, 1,115,087,505.52 and 245,467,195.77 is: 368,122,676.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,549,420.73 : 1,115,087,505.52 = 245,467,195.77 : x
  2. Step 2: Convert to fraction form
    743,549,420.73/1,115,087,505.52 = 245,467,195.77/x
  3. Step 3: Cross multiply
    743,549,420.73x = 1,115,087,505.52 × 245,467,195.77
  4. Step 4: Simplify right side
    743,549,420.73x = 273,717,403,016,931,488
  5. Step 5: Solve for x
    x = 273,717,403,016,931,488/743,549,420.73
  6. Step 6: Final answer
    x = 368,122,676.70

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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.