Home / 385,029,065.04-531,408,038.76-228,482,489.76

Finding the Fourth Proportional to 385,029,065.04, 531,408,038.76 and 228,482,489.76

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Solution

The fourth proportional to 385,029,065.04, 531,408,038.76 and 228,482,489.76 is: 315,346,146.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,029,065.04 : 531,408,038.76 = 228,482,489.76 : x
  2. Step 2: Convert to fraction form
    385,029,065.04/531,408,038.76 = 228,482,489.76/x
  3. Step 3: Cross multiply
    385,029,065.04x = 531,408,038.76 × 228,482,489.76
  4. Step 4: Simplify right side
    385,029,065.04x = 121,417,431,774,363,376
  5. Step 5: Solve for x
    x = 121,417,431,774,363,376/385,029,065.04
  6. Step 6: Final answer
    x = 315,346,146.04

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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.