Home / 657,767,687.12-986,775,969.53-264,325,141.22

Finding the Fourth Proportional to 657,767,687.12, 986,775,969.53 and 264,325,141.22

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Solution

The fourth proportional to 657,767,687.12, 986,775,969.53 and 264,325,141.22 is: 396,537,717.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,767,687.12 : 986,775,969.53 = 264,325,141.22 : x
  2. Step 2: Convert to fraction form
    657,767,687.12/986,775,969.53 = 264,325,141.22/x
  3. Step 3: Cross multiply
    657,767,687.12x = 986,775,969.53 × 264,325,141.22
  4. Step 4: Simplify right side
    657,767,687.12x = 260,829,697,492,924,992
  5. Step 5: Solve for x
    x = 260,829,697,492,924,992/657,767,687.12
  6. Step 6: Final answer
    x = 396,537,717.80

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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.