Home / 1,243,391,795.48-1,716,031,141.23-707,673,712.64

Finding the Fourth Proportional to 1,243,391,795.48, 1,716,031,141.23 and 707,673,712.64

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Solution

The fourth proportional to 1,243,391,795.48, 1,716,031,141.23 and 707,673,712.64 is: 976,675,359.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,391,795.48 : 1,716,031,141.23 = 707,673,712.64 : x
  2. Step 2: Convert to fraction form
    1,243,391,795.48/1,716,031,141.23 = 707,673,712.64/x
  3. Step 3: Cross multiply
    1,243,391,795.48x = 1,716,031,141.23 × 707,673,712.64
  4. Step 4: Simplify right side
    1,243,391,795.48x = 1,214,390,128,716,551,936
  5. Step 5: Solve for x
    x = 1,214,390,128,716,551,936/1,243,391,795.48
  6. Step 6: Final answer
    x = 976,675,359.39

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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.