Home / 964,125,581.76-1,329,148,361.63-646,642,562.29

Finding the Fourth Proportional to 964,125,581.76, 1,329,148,361.63 and 646,642,562.29

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Solution

The fourth proportional to 964,125,581.76, 1,329,148,361.63 and 646,642,562.29 is: 891,464,678.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,125,581.76 : 1,329,148,361.63 = 646,642,562.29 : x
  2. Step 2: Convert to fraction form
    964,125,581.76/1,329,148,361.63 = 646,642,562.29/x
  3. Step 3: Cross multiply
    964,125,581.76x = 1,329,148,361.63 × 646,642,562.29
  4. Step 4: Simplify right side
    964,125,581.76x = 859,483,902,227,978,752
  5. Step 5: Solve for x
    x = 859,483,902,227,978,752/964,125,581.76
  6. Step 6: Final answer
    x = 891,464,678.97

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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.