Home / 896,934,776.76-1,346,088,868.14-405,992,816.37

Finding the Fourth Proportional to 896,934,776.76, 1,346,088,868.14 and 405,992,816.37

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Solution

The fourth proportional to 896,934,776.76, 1,346,088,868.14 and 405,992,816.37 is: 609,300,057.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,934,776.76 : 1,346,088,868.14 = 405,992,816.37 : x
  2. Step 2: Convert to fraction form
    896,934,776.76/1,346,088,868.14 = 405,992,816.37/x
  3. Step 3: Cross multiply
    896,934,776.76x = 1,346,088,868.14 × 405,992,816.37
  4. Step 4: Simplify right side
    896,934,776.76x = 546,502,410,660,464,192
  5. Step 5: Solve for x
    x = 546,502,410,660,464,192/896,934,776.76
  6. Step 6: Final answer
    x = 609,300,057.06

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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.