Home / 1,345,210,057.80-2,017,815,086.70-825,956,771.40

Finding the Fourth Proportional to 1,345,210,057.80, 2,017,815,086.70 and 825,956,771.40

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Solution

The fourth proportional to 1,345,210,057.80, 2,017,815,086.70 and 825,956,771.40 is: 1,238,935,157.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,210,057.80 : 2,017,815,086.70 = 825,956,771.40 : x
  2. Step 2: Convert to fraction form
    1,345,210,057.80/2,017,815,086.70 = 825,956,771.40/x
  3. Step 3: Cross multiply
    1,345,210,057.80x = 2,017,815,086.70 × 825,956,771.40
  4. Step 4: Simplify right side
    1,345,210,057.80x = 1,666,628,034,292,943,104
  5. Step 5: Solve for x
    x = 1,666,628,034,292,943,104/1,345,210,057.80
  6. Step 6: Final answer
    x = 1,238,935,157.10

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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.