Home / 577,172,869.50-796,477,213.32-312,849,187.38

Finding the Fourth Proportional to 577,172,869.50, 796,477,213.32 and 312,849,187.38

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Solution

The fourth proportional to 577,172,869.50, 796,477,213.32 and 312,849,187.38 is: 431,720,307.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,172,869.50 : 796,477,213.32 = 312,849,187.38 : x
  2. Step 2: Convert to fraction form
    577,172,869.50/796,477,213.32 = 312,849,187.38/x
  3. Step 3: Cross multiply
    577,172,869.50x = 796,477,213.32 × 312,849,187.38
  4. Step 4: Simplify right side
    577,172,869.50x = 249,177,248,953,848,928
  5. Step 5: Solve for x
    x = 249,177,248,953,848,928/577,172,869.50
  6. Step 6: Final answer
    x = 431,720,307.94

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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.