Home / 1,345,308,937.20-2,017,963,405.80-619,714,825.20

Finding the Fourth Proportional to 1,345,308,937.20, 2,017,963,405.80 and 619,714,825.20

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Solution

The fourth proportional to 1,345,308,937.20, 2,017,963,405.80 and 619,714,825.20 is: 929,572,237.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,308,937.20 : 2,017,963,405.80 = 619,714,825.20 : x
  2. Step 2: Convert to fraction form
    1,345,308,937.20/2,017,963,405.80 = 619,714,825.20/x
  3. Step 3: Cross multiply
    1,345,308,937.20x = 2,017,963,405.80 × 619,714,825.20
  4. Step 4: Simplify right side
    1,345,308,937.20x = 1,250,561,839,285,343,744
  5. Step 5: Solve for x
    x = 1,250,561,839,285,343,744/1,345,308,937.20
  6. Step 6: Final answer
    x = 929,572,237.80

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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.