Home / 1,272,662,459.46-1,907,755,615.71-608,503,886.64

Finding the Fourth Proportional to 1,272,662,459.46, 1,907,755,615.71 and 608,503,886.64

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Solution

The fourth proportional to 1,272,662,459.46, 1,907,755,615.71 and 608,503,886.64 is: 912,163,864.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,662,459.46 : 1,907,755,615.71 = 608,503,886.64 : x
  2. Step 2: Convert to fraction form
    1,272,662,459.46/1,907,755,615.71 = 608,503,886.64/x
  3. Step 3: Cross multiply
    1,272,662,459.46x = 1,907,755,615.71 × 608,503,886.64
  4. Step 4: Simplify right side
    1,272,662,459.46x = 1,160,876,706,918,821,120
  5. Step 5: Solve for x
    x = 1,160,876,706,918,821,120/1,272,662,459.46
  6. Step 6: Final answer
    x = 912,163,864.26

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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.