Home / 900,035,413,877.40-1,242,049,790,378.80-488,503,977,421.55

Finding the Fourth Proportional to 900,035,413,877.40, 1,242,049,790,378.80 and 488,503,977,421.55

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Solution

The fourth proportional to 900,035,413,877.40, 1,242,049,790,378.80 and 488,503,977,421.55 is: 674,135,987,762.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,035,413,877.40 : 1,242,049,790,378.80 = 488,503,977,421.55 : x
  2. Step 2: Convert to fraction form
    900,035,413,877.40/1,242,049,790,378.80 = 488,503,977,421.55/x
  3. Step 3: Cross multiply
    900,035,413,877.40x = 1,242,049,790,378.80 × 488,503,977,421.55
  4. Step 4: Simplify right side
    900,035,413,877.40x = 606,746,262,755,646,290,001,920
  5. Step 5: Solve for x
    x = 606,746,262,755,646,290,001,920/900,035,413,877.40
  6. Step 6: Final answer
    x = 674,135,987,762.69

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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.