Home / 419,904,923.10-629,857,384.65-417,354,006.30

Finding the Fourth Proportional to 419,904,923.10, 629,857,384.65 and 417,354,006.30

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Solution

The fourth proportional to 419,904,923.10, 629,857,384.65 and 417,354,006.30 is: 626,031,009.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,904,923.10 : 629,857,384.65 = 417,354,006.30 : x
  2. Step 2: Convert to fraction form
    419,904,923.10/629,857,384.65 = 417,354,006.30/x
  3. Step 3: Cross multiply
    419,904,923.10x = 629,857,384.65 × 417,354,006.30
  4. Step 4: Simplify right side
    419,904,923.10x = 262,873,502,881,317,632
  5. Step 5: Solve for x
    x = 262,873,502,881,317,632/419,904,923.10
  6. Step 6: Final answer
    x = 626,031,009.45

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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.