Home / 466,958,818.64-644,380,904.76-255,276,572.96

Finding the Fourth Proportional to 466,958,818.64, 644,380,904.76 and 255,276,572.96

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Solution

The fourth proportional to 466,958,818.64, 644,380,904.76 and 255,276,572.96 is: 352,269,498.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,958,818.64 : 644,380,904.76 = 255,276,572.96 : x
  2. Step 2: Convert to fraction form
    466,958,818.64/644,380,904.76 = 255,276,572.96/x
  3. Step 3: Cross multiply
    466,958,818.64x = 644,380,904.76 × 255,276,572.96
  4. Step 4: Simplify right side
    466,958,818.64x = 164,495,349,047,996,960
  5. Step 5: Solve for x
    x = 164,495,349,047,996,960/466,958,818.64
  6. Step 6: Final answer
    x = 352,269,498.90

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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.