Home / 1,291,597,464,432.80-1,782,405,216,047.70-697,653,034,253.66

Finding the Fourth Proportional to 1,291,597,464,432.80, 1,782,405,216,047.70 and 697,653,034,253.66

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Solution

The fourth proportional to 1,291,597,464,432.80, 1,782,405,216,047.70 and 697,653,034,253.66 is: 962,761,573,545.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,597,464,432.80 : 1,782,405,216,047.70 = 697,653,034,253.66 : x
  2. Step 2: Convert to fraction form
    1,291,597,464,432.80/1,782,405,216,047.70 = 697,653,034,253.66/x
  3. Step 3: Cross multiply
    1,291,597,464,432.80x = 1,782,405,216,047.70 × 697,653,034,253.66
  4. Step 4: Simplify right side
    1,291,597,464,432.80x = 1,243,500,407,245,228,241,584,128
  5. Step 5: Solve for x
    x = 1,243,500,407,245,228,241,584,128/1,291,597,464,432.80
  6. Step 6: Final answer
    x = 962,761,573,545.91

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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.