Home / 1,535,839,712.89-2,119,443,714.79-830,976,228.57

Finding the Fourth Proportional to 1,535,839,712.89, 2,119,443,714.79 and 830,976,228.57

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Solution

The fourth proportional to 1,535,839,712.89, 2,119,443,714.79 and 830,976,228.57 is: 1,146,739,031.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,839,712.89 : 2,119,443,714.79 = 830,976,228.57 : x
  2. Step 2: Convert to fraction form
    1,535,839,712.89/2,119,443,714.79 = 830,976,228.57/x
  3. Step 3: Cross multiply
    1,535,839,712.89x = 2,119,443,714.79 × 830,976,228.57
  4. Step 4: Simplify right side
    1,535,839,712.89x = 1,761,207,344,782,585,088
  5. Step 5: Solve for x
    x = 1,761,207,344,782,585,088/1,535,839,712.89
  6. Step 6: Final answer
    x = 1,146,739,031.42

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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.