Home / 1,454,748,599.75-2,182,141,795.31-485,400,215.75

Finding the Fourth Proportional to 1,454,748,599.75, 2,182,141,795.31 and 485,400,215.75

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Solution

The fourth proportional to 1,454,748,599.75, 2,182,141,795.31 and 485,400,215.75 is: 728,106,628.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454,748,599.75 : 2,182,141,795.31 = 485,400,215.75 : x
  2. Step 2: Convert to fraction form
    1,454,748,599.75/2,182,141,795.31 = 485,400,215.75/x
  3. Step 3: Cross multiply
    1,454,748,599.75x = 2,182,141,795.31 × 485,400,215.75
  4. Step 4: Simplify right side
    1,454,748,599.75x = 1,059,212,098,238,139,264
  5. Step 5: Solve for x
    x = 1,059,212,098,238,139,264/1,454,748,599.75
  6. Step 6: Final answer
    x = 728,106,628.47

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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.