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Finding the Fourth Proportional to 633,072,603.60, 949,608,905.40 and 524,233,486.80

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Solution

The fourth proportional to 633,072,603.60, 949,608,905.40 and 524,233,486.80 is: 786,350,230.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,072,603.60 : 949,608,905.40 = 524,233,486.80 : x
  2. Step 2: Convert to fraction form
    633,072,603.60/949,608,905.40 = 524,233,486.80/x
  3. Step 3: Cross multiply
    633,072,603.60x = 949,608,905.40 × 524,233,486.80
  4. Step 4: Simplify right side
    633,072,603.60x = 497,816,787,574,173,376
  5. Step 5: Solve for x
    x = 497,816,787,574,173,376/633,072,603.60
  6. Step 6: Final answer
    x = 786,350,230.20

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1.5x scale

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.