Home / 415,798,281,627.20-623,697,422,440.80-389,350,376,244.80

Finding the Fourth Proportional to 415,798,281,627.20, 623,697,422,440.80 and 389,350,376,244.80

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Solution

The fourth proportional to 415,798,281,627.20, 623,697,422,440.80 and 389,350,376,244.80 is: 584,025,564,367.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,798,281,627.20 : 623,697,422,440.80 = 389,350,376,244.80 : x
  2. Step 2: Convert to fraction form
    415,798,281,627.20/623,697,422,440.80 = 389,350,376,244.80/x
  3. Step 3: Cross multiply
    415,798,281,627.20x = 623,697,422,440.80 × 389,350,376,244.80
  4. Step 4: Simplify right side
    415,798,281,627.20x = 242,836,826,090,237,459,431,424
  5. Step 5: Solve for x
    x = 242,836,826,090,237,459,431,424/415,798,281,627.20
  6. Step 6: Final answer
    x = 584,025,564,367.20

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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.