Home / 929,127,369.06-1,282,229,602.56-505,720,580.36

Finding the Fourth Proportional to 929,127,369.06, 1,282,229,602.56 and 505,720,580.36

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Solution

The fourth proportional to 929,127,369.06, 1,282,229,602.56 and 505,720,580.36 is: 697,912,816.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,127,369.06 : 1,282,229,602.56 = 505,720,580.36 : x
  2. Step 2: Convert to fraction form
    929,127,369.06/1,282,229,602.56 = 505,720,580.36/x
  3. Step 3: Cross multiply
    929,127,369.06x = 1,282,229,602.56 × 505,720,580.36
  4. Step 4: Simplify right side
    929,127,369.06x = 648,449,898,755,004,160
  5. Step 5: Solve for x
    x = 648,449,898,755,004,160/929,127,369.06
  6. Step 6: Final answer
    x = 697,912,816.21

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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.