Home / 1,345,210,376.80-2,017,815,565.20-825,957,090.40

Finding the Fourth Proportional to 1,345,210,376.80, 2,017,815,565.20 and 825,957,090.40

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Solution

The fourth proportional to 1,345,210,376.80, 2,017,815,565.20 and 825,957,090.40 is: 1,238,935,635.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,210,376.80 : 2,017,815,565.20 = 825,957,090.40 : x
  2. Step 2: Convert to fraction form
    1,345,210,376.80/2,017,815,565.20 = 825,957,090.40/x
  3. Step 3: Cross multiply
    1,345,210,376.80x = 2,017,815,565.20 × 825,957,090.40
  4. Step 4: Simplify right side
    1,345,210,376.80x = 1,666,629,073,196,423,424
  5. Step 5: Solve for x
    x = 1,666,629,073,196,423,424/1,345,210,376.80
  6. Step 6: Final answer
    x = 1,238,935,635.60

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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.