Home / 326,128,025.66-488,574,801.47-192,781,663.07

Finding the Fourth Proportional to 326,128,025.66, 488,574,801.47 and 192,781,663.07

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Solution

The fourth proportional to 326,128,025.66, 488,574,801.47 and 192,781,663.07 is: 288,807,631.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,128,025.66 : 488,574,801.47 = 192,781,663.07 : x
  2. Step 2: Convert to fraction form
    326,128,025.66/488,574,801.47 = 192,781,663.07/x
  3. Step 3: Cross multiply
    326,128,025.66x = 488,574,801.47 × 192,781,663.07
  4. Step 4: Simplify right side
    326,128,025.66x = 94,188,262,759,520,768
  5. Step 5: Solve for x
    x = 94,188,262,759,520,768/326,128,025.66
  6. Step 6: Final answer
    x = 288,807,631.82

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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.