Home / 686,348,579,904.72-1,029,754,559,529.70-303,839,891,817.36

Finding the Fourth Proportional to 686,348,579,904.72, 1,029,754,559,529.70 and 303,839,891,817.36

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Solution

The fourth proportional to 686,348,579,904.72, 1,029,754,559,529.70 and 303,839,891,817.36 is: 455,862,404,507.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,348,579,904.72 : 1,029,754,559,529.70 = 303,839,891,817.36 : x
  2. Step 2: Convert to fraction form
    686,348,579,904.72/1,029,754,559,529.70 = 303,839,891,817.36/x
  3. Step 3: Cross multiply
    686,348,579,904.72x = 1,029,754,559,529.70 × 303,839,891,817.36
  4. Step 4: Simplify right side
    686,348,579,904.72x = 312,880,513,965,937,196,531,712
  5. Step 5: Solve for x
    x = 312,880,513,965,937,196,531,712/686,348,579,904.72
  6. Step 6: Final answer
    x = 455,862,404,507.88

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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.