Home / 1,345,210,231.80-2,017,815,347.70-825,956,945.40

Finding the Fourth Proportional to 1,345,210,231.80, 2,017,815,347.70 and 825,956,945.40

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Solution

The fourth proportional to 1,345,210,231.80, 2,017,815,347.70 and 825,956,945.40 is: 1,238,935,418.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,210,231.80 : 2,017,815,347.70 = 825,956,945.40 : x
  2. Step 2: Convert to fraction form
    1,345,210,231.80/2,017,815,347.70 = 825,956,945.40/x
  3. Step 3: Cross multiply
    1,345,210,231.80x = 2,017,815,347.70 × 825,956,945.40
  4. Step 4: Simplify right side
    1,345,210,231.80x = 1,666,628,600,967,531,008
  5. Step 5: Solve for x
    x = 1,666,628,600,967,531,008/1,345,210,231.80
  6. Step 6: Final answer
    x = 1,238,935,418.10

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1.5x scale

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.