Home / 469,045,228.22-647,360,009.70-260,268,631.28

Finding the Fourth Proportional to 469,045,228.22, 647,360,009.70 and 260,268,631.28

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Solution

The fourth proportional to 469,045,228.22, 647,360,009.70 and 260,268,631.28 is: 359,213,767.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,045,228.22 : 647,360,009.70 = 260,268,631.28 : x
  2. Step 2: Convert to fraction form
    469,045,228.22/647,360,009.70 = 260,268,631.28/x
  3. Step 3: Cross multiply
    469,045,228.22x = 647,360,009.70 × 260,268,631.28
  4. Step 4: Simplify right side
    469,045,228.22x = 168,487,503,670,026,528
  5. Step 5: Solve for x
    x = 168,487,503,670,026,528/469,045,228.22
  6. Step 6: Final answer
    x = 359,213,767.74

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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.