Home / 1,105,004,995.99-1,656,527,070.08-405,336,193.89

Finding the Fourth Proportional to 1,105,004,995.99, 1,656,527,070.08 and 405,336,193.89

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Solution

The fourth proportional to 1,105,004,995.99, 1,656,527,070.08 and 405,336,193.89 is: 607,644,653.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,004,995.99 : 1,656,527,070.08 = 405,336,193.89 : x
  2. Step 2: Convert to fraction form
    1,105,004,995.99/1,656,527,070.08 = 405,336,193.89/x
  3. Step 3: Cross multiply
    1,105,004,995.99x = 1,656,527,070.08 × 405,336,193.89
  4. Step 4: Simplify right side
    1,105,004,995.99x = 671,450,377,666,124,672
  5. Step 5: Solve for x
    x = 671,450,377,666,124,672/1,105,004,995.99
  6. Step 6: Final answer
    x = 607,644,653.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.