Home / 1,363,753,979.04-2,045,703,992.49-431,005,871.10

Finding the Fourth Proportional to 1,363,753,979.04, 2,045,703,992.49 and 431,005,871.10

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Solution

The fourth proportional to 1,363,753,979.04, 2,045,703,992.49 and 431,005,871.10 is: 646,531,885.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,753,979.04 : 2,045,703,992.49 = 431,005,871.10 : x
  2. Step 2: Convert to fraction form
    1,363,753,979.04/2,045,703,992.49 = 431,005,871.10/x
  3. Step 3: Cross multiply
    1,363,753,979.04x = 2,045,703,992.49 × 431,005,871.10
  4. Step 4: Simplify right side
    1,363,753,979.04x = 881,710,431,295,900,416
  5. Step 5: Solve for x
    x = 881,710,431,295,900,416/1,363,753,979.04
  6. Step 6: Final answer
    x = 646,531,885.40

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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.