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Finding the Fourth Proportional to 1,119,744,783.90, 1,564,014,726.90 and 1,119,744,783.90

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Solution

The fourth proportional to 1,119,744,783.90, 1,564,014,726.90 and 1,119,744,783.90 is: 1,564,014,726.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,744,783.90 : 1,564,014,726.90 = 1,119,744,783.90 : x
  2. Step 2: Convert to fraction form
    1,119,744,783.90/1,564,014,726.90 = 1,119,744,783.90/x
  3. Step 3: Cross multiply
    1,119,744,783.90x = 1,564,014,726.90 × 1,119,744,783.90
  4. Step 4: Simplify right side
    1,119,744,783.90x = 1,751,297,332,389,058,304
  5. Step 5: Solve for x
    x = 1,751,297,332,389,058,304/1,119,744,783.90
  6. Step 6: Final answer
    x = 1,564,014,726.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.