Home / 402,093,560.64-602,794,903.64-139,744,025.88

Finding the Fourth Proportional to 402,093,560.64, 602,794,903.64 and 139,744,025.88

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Solution

The fourth proportional to 402,093,560.64, 602,794,903.64 and 139,744,025.88 is: 209,495,985.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,093,560.64 : 602,794,903.64 = 139,744,025.88 : x
  2. Step 2: Convert to fraction form
    402,093,560.64/602,794,903.64 = 139,744,025.88/x
  3. Step 3: Cross multiply
    402,093,560.64x = 602,794,903.64 × 139,744,025.88
  4. Step 4: Simplify right side
    402,093,560.64x = 84,236,986,614,600,256
  5. Step 5: Solve for x
    x = 84,236,986,614,600,256/402,093,560.64
  6. Step 6: Final answer
    x = 209,495,985.16

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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.