Home / 900,035,413,836.55-1,242,049,790,322.80-488,503,977,380.65

Finding the Fourth Proportional to 900,035,413,836.55, 1,242,049,790,322.80 and 488,503,977,380.65

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Solution

The fourth proportional to 900,035,413,836.55, 1,242,049,790,322.80 and 488,503,977,380.65 is: 674,135,987,706.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,035,413,836.55 : 1,242,049,790,322.80 = 488,503,977,380.65 : x
  2. Step 2: Convert to fraction form
    900,035,413,836.55/1,242,049,790,322.80 = 488,503,977,380.65/x
  3. Step 3: Cross multiply
    900,035,413,836.55x = 1,242,049,790,322.80 × 488,503,977,380.65
  4. Step 4: Simplify right side
    900,035,413,836.55x = 606,746,262,677,490,233,245,696
  5. Step 5: Solve for x
    x = 606,746,262,677,490,233,245,696/900,035,413,836.55
  6. Step 6: Final answer
    x = 674,135,987,706.46

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Double scale
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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.