Home / 1,535,839,733.50-2,119,443,743.24-830,976,249.17

Finding the Fourth Proportional to 1,535,839,733.50, 2,119,443,743.24 and 830,976,249.17

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Solution

The fourth proportional to 1,535,839,733.50, 2,119,443,743.24 and 830,976,249.17 is: 1,146,739,059.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,839,733.50 : 2,119,443,743.24 = 830,976,249.17 : x
  2. Step 2: Convert to fraction form
    1,535,839,733.50/2,119,443,743.24 = 830,976,249.17/x
  3. Step 3: Cross multiply
    1,535,839,733.50x = 2,119,443,743.24 × 830,976,249.17
  4. Step 4: Simplify right side
    1,535,839,733.50x = 1,761,207,412,088,617,984
  5. Step 5: Solve for x
    x = 1,761,207,412,088,617,984/1,535,839,733.50
  6. Step 6: Final answer
    x = 1,146,739,059.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.