Home / 433,849,657.49-650,799,080.76-138,770,695.90

Finding the Fourth Proportional to 433,849,657.49, 650,799,080.76 and 138,770,695.90

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Solution

The fourth proportional to 433,849,657.49, 650,799,080.76 and 138,770,695.90 is: 208,163,910.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,849,657.49 : 650,799,080.76 = 138,770,695.90 : x
  2. Step 2: Convert to fraction form
    433,849,657.49/650,799,080.76 = 138,770,695.90/x
  3. Step 3: Cross multiply
    433,849,657.49x = 650,799,080.76 × 138,770,695.90
  4. Step 4: Simplify right side
    433,849,657.49x = 90,311,841,328,145,504
  5. Step 5: Solve for x
    x = 90,311,841,328,145,504/433,849,657.49
  6. Step 6: Final answer
    x = 208,163,910.63

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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.