Home / 1,406,355,398.99-2,109,531,990.30-423,781,949.89

Finding the Fourth Proportional to 1,406,355,398.99, 2,109,531,990.30 and 423,781,949.89

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Solution

The fourth proportional to 1,406,355,398.99, 2,109,531,990.30 and 423,781,949.89 is: 635,672,590.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,355,398.99 : 2,109,531,990.30 = 423,781,949.89 : x
  2. Step 2: Convert to fraction form
    1,406,355,398.99/2,109,531,990.30 = 423,781,949.89/x
  3. Step 3: Cross multiply
    1,406,355,398.99x = 2,109,531,990.30 × 423,781,949.89
  4. Step 4: Simplify right side
    1,406,355,398.99x = 893,981,580,204,666,496
  5. Step 5: Solve for x
    x = 893,981,580,204,666,496/1,406,355,398.99
  6. Step 6: Final answer
    x = 635,672,590.90

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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.