Home / 369,484,752,027.68-509,888,936,970.96-200,512,023,195.68

Finding the Fourth Proportional to 369,484,752,027.68, 509,888,936,970.96 and 200,512,023,195.68

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Solution

The fourth proportional to 369,484,752,027.68, 509,888,936,970.96 and 200,512,023,195.68 is: 276,706,580,707.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,484,752,027.68 : 509,888,936,970.96 = 200,512,023,195.68 : x
  2. Step 2: Convert to fraction form
    369,484,752,027.68/509,888,936,970.96 = 200,512,023,195.68/x
  3. Step 3: Cross multiply
    369,484,752,027.68x = 509,888,936,970.96 × 200,512,023,195.68
  4. Step 4: Simplify right side
    369,484,752,027.68x = 102,238,862,357,141,745,827,840
  5. Step 5: Solve for x
    x = 102,238,862,357,141,745,827,840/369,484,752,027.68
  6. Step 6: Final answer
    x = 276,706,580,707.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.