Home / 477,131,005.20-715,696,507.80-354,686,998.80

Finding the Fourth Proportional to 477,131,005.20, 715,696,507.80 and 354,686,998.80

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Solution

The fourth proportional to 477,131,005.20, 715,696,507.80 and 354,686,998.80 is: 532,030,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,131,005.20 : 715,696,507.80 = 354,686,998.80 : x
  2. Step 2: Convert to fraction form
    477,131,005.20/715,696,507.80 = 354,686,998.80/x
  3. Step 3: Cross multiply
    477,131,005.20x = 715,696,507.80 × 354,686,998.80
  4. Step 4: Simplify right side
    477,131,005.20x = 253,848,246,403,222,784
  5. Step 5: Solve for x
    x = 253,848,246,403,222,784/477,131,005.20
  6. Step 6: Final answer
    x = 532,030,498.20

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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.