Home / 839,809,363.20-1,259,714,044.80-773,485,526.40

Finding the Fourth Proportional to 839,809,363.20, 1,259,714,044.80 and 773,485,526.40

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Solution

The fourth proportional to 839,809,363.20, 1,259,714,044.80 and 773,485,526.40 is: 1,160,228,289.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,809,363.20 : 1,259,714,044.80 = 773,485,526.40 : x
  2. Step 2: Convert to fraction form
    839,809,363.20/1,259,714,044.80 = 773,485,526.40/x
  3. Step 3: Cross multiply
    839,809,363.20x = 1,259,714,044.80 × 773,485,526.40
  4. Step 4: Simplify right side
    839,809,363.20x = 974,370,581,055,601,152
  5. Step 5: Solve for x
    x = 974,370,581,055,601,152/839,809,363.20
  6. Step 6: Final answer
    x = 1,160,228,289.60

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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.