Home / 1,315,632,650,602.80-1,972,056,153,169.30-442,535,278,315.26

Finding the Fourth Proportional to 1,315,632,650,602.80, 1,972,056,153,169.30 and 442,535,278,315.26

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Solution

The fourth proportional to 1,315,632,650,602.80, 1,972,056,153,169.30 and 442,535,278,315.26 is: 663,334,418,005.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,632,650,602.80 : 1,972,056,153,169.30 = 442,535,278,315.26 : x
  2. Step 2: Convert to fraction form
    1,315,632,650,602.80/1,972,056,153,169.30 = 442,535,278,315.26/x
  3. Step 3: Cross multiply
    1,315,632,650,602.80x = 1,972,056,153,169.30 × 442,535,278,315.26
  4. Step 4: Simplify right side
    1,315,632,650,602.80x = 872,704,418,596,097,166,934,016
  5. Step 5: Solve for x
    x = 872,704,418,596,097,166,934,016/1,315,632,650,602.80
  6. Step 6: Final answer
    x = 663,334,418,005.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.