Home / 947,809,410.80-1,421,714,116.20-794,754,402.80

Finding the Fourth Proportional to 947,809,410.80, 1,421,714,116.20 and 794,754,402.80

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Solution

The fourth proportional to 947,809,410.80, 1,421,714,116.20 and 794,754,402.80 is: 1,192,131,604.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,809,410.80 : 1,421,714,116.20 = 794,754,402.80 : x
  2. Step 2: Convert to fraction form
    947,809,410.80/1,421,714,116.20 = 794,754,402.80/x
  3. Step 3: Cross multiply
    947,809,410.80x = 1,421,714,116.20 × 794,754,402.80
  4. Step 4: Simplify right side
    947,809,410.80x = 1,129,913,553,372,860,800
  5. Step 5: Solve for x
    x = 1,129,913,553,372,860,800/947,809,410.80
  6. Step 6: Final answer
    x = 1,192,131,604.20

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1.5x scale

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.