Home / 639,249,427.76-958,917,444.24-224,675,846.72

Finding the Fourth Proportional to 639,249,427.76, 958,917,444.24 and 224,675,846.72

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Solution

The fourth proportional to 639,249,427.76, 958,917,444.24 and 224,675,846.72 is: 337,028,989.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,249,427.76 : 958,917,444.24 = 224,675,846.72 : x
  2. Step 2: Convert to fraction form
    639,249,427.76/958,917,444.24 = 224,675,846.72/x
  3. Step 3: Cross multiply
    639,249,427.76x = 958,917,444.24 × 224,675,846.72
  4. Step 4: Simplify right side
    639,249,427.76x = 215,445,588,719,200,384
  5. Step 5: Solve for x
    x = 215,445,588,719,200,384/639,249,427.76
  6. Step 6: Final answer
    x = 337,028,989.57

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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.