Home / 1,580,999,568.59-2,181,803,265.21-866,529,405.50

Finding the Fourth Proportional to 1,580,999,568.59, 2,181,803,265.21 and 866,529,405.50

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Solution

The fourth proportional to 1,580,999,568.59, 2,181,803,265.21 and 866,529,405.50 is: 1,195,823,657.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,999,568.59 : 2,181,803,265.21 = 866,529,405.50 : x
  2. Step 2: Convert to fraction form
    1,580,999,568.59/2,181,803,265.21 = 866,529,405.50/x
  3. Step 3: Cross multiply
    1,580,999,568.59x = 2,181,803,265.21 × 866,529,405.50
  4. Step 4: Simplify right side
    1,580,999,568.59x = 1,890,596,686,312,677,120
  5. Step 5: Solve for x
    x = 1,890,596,686,312,677,120/1,580,999,568.59
  6. Step 6: Final answer
    x = 1,195,823,657.31

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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.