Home / 838,404,287,251.52-1,257,158,984,043.40-435,081,659,339.84

Finding the Fourth Proportional to 838,404,287,251.52, 1,257,158,984,043.40 and 435,081,659,339.84

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Solution

The fourth proportional to 838,404,287,251.52, 1,257,158,984,043.40 and 435,081,659,339.84 is: 652,390,290,875.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,404,287,251.52 : 1,257,158,984,043.40 = 435,081,659,339.84 : x
  2. Step 2: Convert to fraction form
    838,404,287,251.52/1,257,158,984,043.40 = 435,081,659,339.84/x
  3. Step 3: Cross multiply
    838,404,287,251.52x = 1,257,158,984,043.40 × 435,081,659,339.84
  4. Step 4: Simplify right side
    838,404,287,251.52x = 546,966,816,831,589,868,109,824
  5. Step 5: Solve for x
    x = 546,966,816,831,589,868,109,824/838,404,287,251.52
  6. Step 6: Final answer
    x = 652,390,290,875.86

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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.