Home / 1,120,917,999.15-1,681,537,458.92-344,628,833.49

Finding the Fourth Proportional to 1,120,917,999.15, 1,681,537,458.92 and 344,628,833.49

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Solution

The fourth proportional to 1,120,917,999.15, 1,681,537,458.92 and 344,628,833.49 is: 516,992,584.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,917,999.15 : 1,681,537,458.92 = 344,628,833.49 : x
  2. Step 2: Convert to fraction form
    1,120,917,999.15/1,681,537,458.92 = 344,628,833.49/x
  3. Step 3: Cross multiply
    1,120,917,999.15x = 1,681,537,458.92 × 344,628,833.49
  4. Step 4: Simplify right side
    1,120,917,999.15x = 579,506,292,935,615,232
  5. Step 5: Solve for x
    x = 579,506,292,935,615,232/1,120,917,999.15
  6. Step 6: Final answer
    x = 516,992,584.09

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1.5x scale

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.