Home / 923,704,973.91-1,274,702,705.24-500,308,101.63

Finding the Fourth Proportional to 923,704,973.91, 1,274,702,705.24 and 500,308,101.63

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Solution

The fourth proportional to 923,704,973.91, 1,274,702,705.24 and 500,308,101.63 is: 690,419,677.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,704,973.91 : 1,274,702,705.24 = 500,308,101.63 : x
  2. Step 2: Convert to fraction form
    923,704,973.91/1,274,702,705.24 = 500,308,101.63/x
  3. Step 3: Cross multiply
    923,704,973.91x = 1,274,702,705.24 × 500,308,101.63
  4. Step 4: Simplify right side
    923,704,973.91x = 637,744,090,598,748,288
  5. Step 5: Solve for x
    x = 637,744,090,598,748,288/923,704,973.91
  6. Step 6: Final answer
    x = 690,419,677.94

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.