Home / 1,663,736,447.30-2,296,028,041.52-921,180,575.66

Finding the Fourth Proportional to 1,663,736,447.30, 2,296,028,041.52 and 921,180,575.66

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Solution

The fourth proportional to 1,663,736,447.30, 2,296,028,041.52 and 921,180,575.66 is: 1,271,268,917.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,736,447.30 : 2,296,028,041.52 = 921,180,575.66 : x
  2. Step 2: Convert to fraction form
    1,663,736,447.30/2,296,028,041.52 = 921,180,575.66/x
  3. Step 3: Cross multiply
    1,663,736,447.30x = 2,296,028,041.52 × 921,180,575.66
  4. Step 4: Simplify right side
    1,663,736,447.30x = 2,115,056,433,018,895,872
  5. Step 5: Solve for x
    x = 2,115,056,433,018,895,872/1,663,736,447.30
  6. Step 6: Final answer
    x = 1,271,268,917.89

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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.