Home / 1,396,954,983.03-1,927,799,789.45-761,877,009.29

Finding the Fourth Proportional to 1,396,954,983.03, 1,927,799,789.45 and 761,877,009.29

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Solution

The fourth proportional to 1,396,954,983.03, 1,927,799,789.45 and 761,877,009.29 is: 1,051,391,316.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,954,983.03 : 1,927,799,789.45 = 761,877,009.29 : x
  2. Step 2: Convert to fraction form
    1,396,954,983.03/1,927,799,789.45 = 761,877,009.29/x
  3. Step 3: Cross multiply
    1,396,954,983.03x = 1,927,799,789.45 × 761,877,009.29
  4. Step 4: Simplify right side
    1,396,954,983.03x = 1,468,746,338,082,609,152
  5. Step 5: Solve for x
    x = 1,468,746,338,082,609,152/1,396,954,983.03
  6. Step 6: Final answer
    x = 1,051,391,316.06

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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.