Home / 851,962,359.40-1,277,943,539.10-760,129,354.60

Finding the Fourth Proportional to 851,962,359.40, 1,277,943,539.10 and 760,129,354.60

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Solution

The fourth proportional to 851,962,359.40, 1,277,943,539.10 and 760,129,354.60 is: 1,140,194,031.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,962,359.40 : 1,277,943,539.10 = 760,129,354.60 : x
  2. Step 2: Convert to fraction form
    851,962,359.40/1,277,943,539.10 = 760,129,354.60/x
  3. Step 3: Cross multiply
    851,962,359.40x = 1,277,943,539.10 × 760,129,354.60
  4. Step 4: Simplify right side
    851,962,359.40x = 971,402,397,591,322,880
  5. Step 5: Solve for x
    x = 971,402,397,591,322,880/851,962,359.40
  6. Step 6: Final answer
    x = 1,140,194,031.90

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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.