Home / 1,654,972,254.38-2,283,877,564.74-912,442,947.50

Finding the Fourth Proportional to 1,654,972,254.38, 2,283,877,564.74 and 912,442,947.50

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Solution

The fourth proportional to 1,654,972,254.38, 2,283,877,564.74 and 912,442,947.50 is: 1,259,180,008.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654,972,254.38 : 2,283,877,564.74 = 912,442,947.50 : x
  2. Step 2: Convert to fraction form
    1,654,972,254.38/2,283,877,564.74 = 912,442,947.50/x
  3. Step 3: Cross multiply
    1,654,972,254.38x = 2,283,877,564.74 × 912,442,947.50
  4. Step 4: Simplify right side
    1,654,972,254.38x = 2,083,907,976,900,487,424
  5. Step 5: Solve for x
    x = 2,083,907,976,900,487,424/1,654,972,254.38
  6. Step 6: Final answer
    x = 1,259,180,008.24

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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.