Home / 900,035,413,877.90-1,242,049,790,379.50-488,503,977,422.05

Finding the Fourth Proportional to 900,035,413,877.90, 1,242,049,790,379.50 and 488,503,977,422.05

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Solution

The fourth proportional to 900,035,413,877.90, 1,242,049,790,379.50 and 488,503,977,422.05 is: 674,135,987,763.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,035,413,877.90 : 1,242,049,790,379.50 = 488,503,977,422.05 : x
  2. Step 2: Convert to fraction form
    900,035,413,877.90/1,242,049,790,379.50 = 488,503,977,422.05/x
  3. Step 3: Cross multiply
    900,035,413,877.90x = 1,242,049,790,379.50 × 488,503,977,422.05
  4. Step 4: Simplify right side
    900,035,413,877.90x = 606,746,262,756,609,167,982,592
  5. Step 5: Solve for x
    x = 606,746,262,756,609,167,982,592/900,035,413,877.90
  6. Step 6: Final answer
    x = 674,135,987,763.39

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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.