Home / 851,774,908.10-1,277,662,362.15-545,664,892.10

Finding the Fourth Proportional to 851,774,908.10, 1,277,662,362.15 and 545,664,892.10

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Solution

The fourth proportional to 851,774,908.10, 1,277,662,362.15 and 545,664,892.10 is: 818,497,338.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,774,908.10 : 1,277,662,362.15 = 545,664,892.10 : x
  2. Step 2: Convert to fraction form
    851,774,908.10/1,277,662,362.15 = 545,664,892.10/x
  3. Step 3: Cross multiply
    851,774,908.10x = 1,277,662,362.15 × 545,664,892.10
  4. Step 4: Simplify right side
    851,774,908.10x = 697,175,494,982,811,008
  5. Step 5: Solve for x
    x = 697,175,494,982,811,008/851,774,908.10
  6. Step 6: Final answer
    x = 818,497,338.15

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Double scale
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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.