Home / 1,939,911,381.82-2,677,078,781.08-1,047,838,104.28

Finding the Fourth Proportional to 1,939,911,381.82, 2,677,078,781.08 and 1,047,838,104.28

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Solution

The fourth proportional to 1,939,911,381.82, 2,677,078,781.08 and 1,047,838,104.28 is: 1,446,017,164.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,911,381.82 : 2,677,078,781.08 = 1,047,838,104.28 : x
  2. Step 2: Convert to fraction form
    1,939,911,381.82/2,677,078,781.08 = 1,047,838,104.28/x
  3. Step 3: Cross multiply
    1,939,911,381.82x = 2,677,078,781.08 × 1,047,838,104.28
  4. Step 4: Simplify right side
    1,939,911,381.82x = 2,805,145,154,975,079,936
  5. Step 5: Solve for x
    x = 2,805,145,154,975,079,936/1,939,911,381.82
  6. Step 6: Final answer
    x = 1,446,017,164.12

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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.