Home / 730,373,604.08-1,007,327,870.28-642,078,815.36

Finding the Fourth Proportional to 730,373,604.08, 1,007,327,870.28 and 642,078,815.36

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Solution

The fourth proportional to 730,373,604.08, 1,007,327,870.28 and 642,078,815.36 is: 885,552,109.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,373,604.08 : 1,007,327,870.28 = 642,078,815.36 : x
  2. Step 2: Convert to fraction form
    730,373,604.08/1,007,327,870.28 = 642,078,815.36/x
  3. Step 3: Cross multiply
    730,373,604.08x = 1,007,327,870.28 × 642,078,815.36
  4. Step 4: Simplify right side
    730,373,604.08x = 646,783,885,628,494,208
  5. Step 5: Solve for x
    x = 646,783,885,628,494,208/730,373,604.08
  6. Step 6: Final answer
    x = 885,552,109.24

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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.