Home / 917,114,717,676.60-1,265,622,133,149.80-505,574,155,444.86

Finding the Fourth Proportional to 917,114,717,676.60, 1,265,622,133,149.80 and 505,574,155,444.86

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Solution

The fourth proportional to 917,114,717,676.60, 1,265,622,133,149.80 and 505,574,155,444.86 is: 697,694,441,869.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,114,717,676.60 : 1,265,622,133,149.80 = 505,574,155,444.86 : x
  2. Step 2: Convert to fraction form
    917,114,717,676.60/1,265,622,133,149.80 = 505,574,155,444.86/x
  3. Step 3: Cross multiply
    917,114,717,676.60x = 1,265,622,133,149.80 × 505,574,155,444.86
  4. Step 4: Simplify right side
    917,114,717,676.60x = 639,865,841,079,532,285,591,552
  5. Step 5: Solve for x
    x = 639,865,841,079,532,285,591,552/917,114,717,676.60
  6. Step 6: Final answer
    x = 697,694,441,869.34

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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.