Home / 872,710,939.67-1,204,366,530.56-476,259,465.29

Finding the Fourth Proportional to 872,710,939.67, 1,204,366,530.56 and 476,259,465.29

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Solution

The fourth proportional to 872,710,939.67, 1,204,366,530.56 and 476,259,465.29 is: 657,251,941.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,710,939.67 : 1,204,366,530.56 = 476,259,465.29 : x
  2. Step 2: Convert to fraction form
    872,710,939.67/1,204,366,530.56 = 476,259,465.29/x
  3. Step 3: Cross multiply
    872,710,939.67x = 1,204,366,530.56 × 476,259,465.29
  4. Step 4: Simplify right side
    872,710,939.67x = 573,590,959,849,608,384
  5. Step 5: Solve for x
    x = 573,590,959,849,608,384/872,710,939.67
  6. Step 6: Final answer
    x = 657,251,941.94

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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.