Home / 371,896,722.18-512,049,261.33-316,024,295.94

Finding the Fourth Proportional to 371,896,722.18, 512,049,261.33 and 316,024,295.94

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Solution

The fourth proportional to 371,896,722.18, 512,049,261.33 and 316,024,295.94 is: 435,120,821.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,896,722.18 : 512,049,261.33 = 316,024,295.94 : x
  2. Step 2: Convert to fraction form
    371,896,722.18/512,049,261.33 = 316,024,295.94/x
  3. Step 3: Cross multiply
    371,896,722.18x = 512,049,261.33 × 316,024,295.94
  4. Step 4: Simplify right side
    371,896,722.18x = 161,820,007,298,410,304
  5. Step 5: Solve for x
    x = 161,820,007,298,410,304/371,896,722.18
  6. Step 6: Final answer
    x = 435,120,821.58

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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.