Home / 230,005,462,315.17-345,015,222,086.68-78,909,644,218.48

Finding the Fourth Proportional to 230,005,462,315.17, 345,015,222,086.68 and 78,909,644,218.48

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Solution

The fourth proportional to 230,005,462,315.17, 345,015,222,086.68 and 78,909,644,218.48 is: 118,366,877,685.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,005,462,315.17 : 345,015,222,086.68 = 78,909,644,218.48 : x
  2. Step 2: Convert to fraction form
    230,005,462,315.17/345,015,222,086.68 = 78,909,644,218.48/x
  3. Step 3: Cross multiply
    230,005,462,315.17x = 345,015,222,086.68 × 78,909,644,218.48
  4. Step 4: Simplify right side
    230,005,462,315.17x = 27,225,028,424,818,059,378,688
  5. Step 5: Solve for x
    x = 27,225,028,424,818,059,378,688/230,005,462,315.17
  6. Step 6: Final answer
    x = 118,366,877,685.33

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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.