Home / 487,601,217.21-731,399,798.31-176,636,024.06

Finding the Fourth Proportional to 487,601,217.21, 731,399,798.31 and 176,636,024.06

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Solution

The fourth proportional to 487,601,217.21, 731,399,798.31 and 176,636,024.06 is: 264,953,301.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,601,217.21 : 731,399,798.31 = 176,636,024.06 : x
  2. Step 2: Convert to fraction form
    487,601,217.21/731,399,798.31 = 176,636,024.06/x
  3. Step 3: Cross multiply
    487,601,217.21x = 731,399,798.31 × 176,636,024.06
  4. Step 4: Simplify right side
    487,601,217.21x = 129,191,552,368,107,296
  5. Step 5: Solve for x
    x = 129,191,552,368,107,296/487,601,217.21
  6. Step 6: Final answer
    x = 264,953,301.61

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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.