Home / 218,793,309,405.62-328,302,157,356.12-105,569,595,986.49

Finding the Fourth Proportional to 218,793,309,405.62, 328,302,157,356.12 and 105,569,595,986.49

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Solution

The fourth proportional to 218,793,309,405.62, 328,302,157,356.12 and 105,569,595,986.49 is: 158,408,528,157.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,793,309,405.62 : 328,302,157,356.12 = 105,569,595,986.49 : x
  2. Step 2: Convert to fraction form
    218,793,309,405.62/328,302,157,356.12 = 105,569,595,986.49/x
  3. Step 3: Cross multiply
    218,793,309,405.62x = 328,302,157,356.12 × 105,569,595,986.49
  4. Step 4: Simplify right side
    218,793,309,405.62x = 34,658,726,113,578,657,513,472
  5. Step 5: Solve for x
    x = 34,658,726,113,578,657,513,472/218,793,309,405.62
  6. Step 6: Final answer
    x = 158,408,528,157.16

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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.