Home / 1,345,210,274.80-2,017,815,412.20-825,956,988.40

Finding the Fourth Proportional to 1,345,210,274.80, 2,017,815,412.20 and 825,956,988.40

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Solution

The fourth proportional to 1,345,210,274.80, 2,017,815,412.20 and 825,956,988.40 is: 1,238,935,482.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,210,274.80 : 2,017,815,412.20 = 825,956,988.40 : x
  2. Step 2: Convert to fraction form
    1,345,210,274.80/2,017,815,412.20 = 825,956,988.40/x
  3. Step 3: Cross multiply
    1,345,210,274.80x = 2,017,815,412.20 × 825,956,988.40
  4. Step 4: Simplify right side
    1,345,210,274.80x = 1,666,628,741,007,816,704
  5. Step 5: Solve for x
    x = 1,666,628,741,007,816,704/1,345,210,274.80
  6. Step 6: Final answer
    x = 1,238,935,482.60

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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.