Home / 638,398,103,238.12-880,988,813,295.36-360,359,190,574.80

Finding the Fourth Proportional to 638,398,103,238.12, 880,988,813,295.36 and 360,359,190,574.80

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Solution

The fourth proportional to 638,398,103,238.12, 880,988,813,295.36 and 360,359,190,574.80 is: 497,295,361,709.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,398,103,238.12 : 880,988,813,295.36 = 360,359,190,574.80 : x
  2. Step 2: Convert to fraction form
    638,398,103,238.12/880,988,813,295.36 = 360,359,190,574.80/x
  3. Step 3: Cross multiply
    638,398,103,238.12x = 880,988,813,295.36 × 360,359,190,574.80
  4. Step 4: Simplify right side
    638,398,103,238.12x = 317,472,415,664,569,512,361,984
  5. Step 5: Solve for x
    x = 317,472,415,664,569,512,361,984/638,398,103,238.12
  6. Step 6: Final answer
    x = 497,295,361,709.67

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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.