Home / 1,222,312,988,947.10-1,686,742,814,781.30-666,106,304,872.26

Finding the Fourth Proportional to 1,222,312,988,947.10, 1,686,742,814,781.30 and 666,106,304,872.26

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Solution

The fourth proportional to 1,222,312,988,947.10, 1,686,742,814,781.30 and 666,106,304,872.26 is: 919,199,937,973.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,312,988,947.10 : 1,686,742,814,781.30 = 666,106,304,872.26 : x
  2. Step 2: Convert to fraction form
    1,222,312,988,947.10/1,686,742,814,781.30 = 666,106,304,872.26/x
  3. Step 3: Cross multiply
    1,222,312,988,947.10x = 1,686,742,814,781.30 × 666,106,304,872.26
  4. Step 4: Simplify right side
    1,222,312,988,947.10x = 1,123,550,023,623,806,711,496,704
  5. Step 5: Solve for x
    x = 1,123,550,023,623,806,711,496,704/1,222,312,988,947.10
  6. Step 6: Final answer
    x = 919,199,937,973.03

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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.