Home / 606,817,999.40-910,652,151.90-388,998,048.20

Finding the Fourth Proportional to 606,817,999.40, 910,652,151.90 and 388,998,048.20

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Solution

The fourth proportional to 606,817,999.40, 910,652,151.90 and 388,998,048.20 is: 583,769,614.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,817,999.40 : 910,652,151.90 = 388,998,048.20 : x
  2. Step 2: Convert to fraction form
    606,817,999.40/910,652,151.90 = 388,998,048.20/x
  3. Step 3: Cross multiply
    606,817,999.40x = 910,652,151.90 × 388,998,048.20
  4. Step 4: Simplify right side
    606,817,999.40x = 354,241,909,678,229,888
  5. Step 5: Solve for x
    x = 354,241,909,678,229,888/606,817,999.40
  6. Step 6: Final answer
    x = 583,769,614.66

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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.