Home / 1,827,296,426.30-2,521,662,043.65-991,913,689.58

Finding the Fourth Proportional to 1,827,296,426.30, 2,521,662,043.65 and 991,913,689.58

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Solution

The fourth proportional to 1,827,296,426.30, 2,521,662,043.65 and 991,913,689.58 is: 1,368,837,078.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,827,296,426.30 : 2,521,662,043.65 = 991,913,689.58 : x
  2. Step 2: Convert to fraction form
    1,827,296,426.30/2,521,662,043.65 = 991,913,689.58/x
  3. Step 3: Cross multiply
    1,827,296,426.30x = 2,521,662,043.65 × 991,913,689.58
  4. Step 4: Simplify right side
    1,827,296,426.30x = 2,501,271,101,590,714,880
  5. Step 5: Solve for x
    x = 2,501,271,101,590,714,880/1,827,296,426.30
  6. Step 6: Final answer
    x = 1,368,837,078.42

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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.