Home / 398,940,463,895.33-550,538,371,088.35-216,037,880,973.55

Finding the Fourth Proportional to 398,940,463,895.33, 550,538,371,088.35 and 216,037,880,973.55

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Solution

The fourth proportional to 398,940,463,895.33, 550,538,371,088.35 and 216,037,880,973.55 is: 298,132,563,248.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,940,463,895.33 : 550,538,371,088.35 = 216,037,880,973.55 : x
  2. Step 2: Convert to fraction form
    398,940,463,895.33/550,538,371,088.35 = 216,037,880,973.55/x
  3. Step 3: Cross multiply
    398,940,463,895.33x = 550,538,371,088.35 × 216,037,880,973.55
  4. Step 4: Simplify right side
    398,940,463,895.33x = 118,937,143,084,557,040,353,280
  5. Step 5: Solve for x
    x = 118,937,143,084,557,040,353,280/398,940,463,895.33
  6. Step 6: Final answer
    x = 298,132,563,248.24

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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.