Home / 487,601,218.96-731,399,800.94-176,636,025.81

Finding the Fourth Proportional to 487,601,218.96, 731,399,800.94 and 176,636,025.81

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Solution

The fourth proportional to 487,601,218.96, 731,399,800.94 and 176,636,025.81 is: 264,953,304.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,601,218.96 : 731,399,800.94 = 176,636,025.81 : x
  2. Step 2: Convert to fraction form
    487,601,218.96/731,399,800.94 = 176,636,025.81/x
  3. Step 3: Cross multiply
    487,601,218.96x = 731,399,800.94 × 176,636,025.81
  4. Step 4: Simplify right side
    487,601,218.96x = 129,191,554,111,726,512
  5. Step 5: Solve for x
    x = 129,191,554,111,726,512/487,601,218.96
  6. Step 6: Final answer
    x = 264,953,304.23

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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.