Home / 1,787,805,971.60-2,681,822,312.04-561,022,843.28

Finding the Fourth Proportional to 1,787,805,971.60, 2,681,822,312.04 and 561,022,843.28

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Solution

The fourth proportional to 1,787,805,971.60, 2,681,822,312.04 and 561,022,843.28 is: 841,569,836.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,805,971.60 : 2,681,822,312.04 = 561,022,843.28 : x
  2. Step 2: Convert to fraction form
    1,787,805,971.60/2,681,822,312.04 = 561,022,843.28/x
  3. Step 3: Cross multiply
    1,787,805,971.60x = 2,681,822,312.04 × 561,022,843.28
  4. Step 4: Simplify right side
    1,787,805,971.60x = 1,504,563,578,672,424,192
  5. Step 5: Solve for x
    x = 1,504,563,578,672,424,192/1,787,805,971.60
  6. Step 6: Final answer
    x = 841,569,836.20

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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.