Home / 533,354,319,309.50-736,029,505,374.90-289,483,838,446.72

Finding the Fourth Proportional to 533,354,319,309.50, 736,029,505,374.90 and 289,483,838,446.72

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Solution

The fourth proportional to 533,354,319,309.50, 736,029,505,374.90 and 289,483,838,446.72 is: 399,487,992,713.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,354,319,309.50 : 736,029,505,374.90 = 289,483,838,446.72 : x
  2. Step 2: Convert to fraction form
    533,354,319,309.50/736,029,505,374.90 = 289,483,838,446.72/x
  3. Step 3: Cross multiply
    533,354,319,309.50x = 736,029,505,374.90 × 289,483,838,446.72
  4. Step 4: Simplify right side
    533,354,319,309.50x = 213,068,646,425,966,759,903,232
  5. Step 5: Solve for x
    x = 213,068,646,425,966,759,903,232/533,354,319,309.50
  6. Step 6: Final answer
    x = 399,487,992,713.39

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Double scale
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1.5x scale

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.