Home / 900,035,413,845.66-1,242,049,790,335.20-488,503,977,389.70

Finding the Fourth Proportional to 900,035,413,845.66, 1,242,049,790,335.20 and 488,503,977,389.70

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Solution

The fourth proportional to 900,035,413,845.66, 1,242,049,790,335.20 and 488,503,977,389.70 is: 674,135,987,718.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,035,413,845.66 : 1,242,049,790,335.20 = 488,503,977,389.70 : x
  2. Step 2: Convert to fraction form
    900,035,413,845.66/1,242,049,790,335.20 = 488,503,977,389.70/x
  3. Step 3: Cross multiply
    900,035,413,845.66x = 1,242,049,790,335.20 × 488,503,977,389.70
  4. Step 4: Simplify right side
    900,035,413,845.66x = 606,746,262,694,788,214,030,336
  5. Step 5: Solve for x
    x = 606,746,262,694,788,214,030,336/900,035,413,845.66
  6. Step 6: Final answer
    x = 674,135,987,718.85

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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.