Home / 769,569,839.46-1,062,888,971.40-506,426,582.16

Finding the Fourth Proportional to 769,569,839.46, 1,062,888,971.40 and 506,426,582.16

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Solution

The fourth proportional to 769,569,839.46, 1,062,888,971.40 and 506,426,582.16 is: 699,449,486.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,569,839.46 : 1,062,888,971.40 = 506,426,582.16 : x
  2. Step 2: Convert to fraction form
    769,569,839.46/1,062,888,971.40 = 506,426,582.16/x
  3. Step 3: Cross multiply
    769,569,839.46x = 1,062,888,971.40 × 506,426,582.16
  4. Step 4: Simplify right side
    769,569,839.46x = 538,275,229,001,660,032
  5. Step 5: Solve for x
    x = 538,275,229,001,660,032/769,569,839.46
  6. Step 6: Final answer
    x = 699,449,486.46

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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.