Home / 316,454,329.50-436,597,684.74-198,988,598.58

Finding the Fourth Proportional to 316,454,329.50, 436,597,684.74 and 198,988,598.58

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Solution

The fourth proportional to 316,454,329.50, 436,597,684.74 and 198,988,598.58 is: 274,535,543.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,454,329.50 : 436,597,684.74 = 198,988,598.58 : x
  2. Step 2: Convert to fraction form
    316,454,329.50/436,597,684.74 = 198,988,598.58/x
  3. Step 3: Cross multiply
    316,454,329.50x = 436,597,684.74 × 198,988,598.58
  4. Step 4: Simplify right side
    316,454,329.50x = 86,877,961,429,685,264
  5. Step 5: Solve for x
    x = 86,877,961,429,685,264/316,454,329.50
  6. Step 6: Final answer
    x = 274,535,543.78

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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.