Home / 533,354,319,325.90-736,029,505,397.70-289,483,838,463.21

Finding the Fourth Proportional to 533,354,319,325.90, 736,029,505,397.70 and 289,483,838,463.21

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Solution

The fourth proportional to 533,354,319,325.90, 736,029,505,397.70 and 289,483,838,463.21 is: 399,487,992,736.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,354,319,325.90 : 736,029,505,397.70 = 289,483,838,463.21 : x
  2. Step 2: Convert to fraction form
    533,354,319,325.90/736,029,505,397.70 = 289,483,838,463.21/x
  3. Step 3: Cross multiply
    533,354,319,325.90x = 736,029,505,397.70 × 289,483,838,463.21
  4. Step 4: Simplify right side
    533,354,319,325.90x = 213,068,646,444,704,125,157,376
  5. Step 5: Solve for x
    x = 213,068,646,444,704,125,157,376/533,354,319,325.90
  6. Step 6: Final answer
    x = 399,487,992,736.23

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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.