Home / 757,165,312.88-1,044,898,284.16-427,139,431.28

Finding the Fourth Proportional to 757,165,312.88, 1,044,898,284.16 and 427,139,431.28

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Solution

The fourth proportional to 757,165,312.88, 1,044,898,284.16 and 427,139,431.28 is: 589,458,142.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,165,312.88 : 1,044,898,284.16 = 427,139,431.28 : x
  2. Step 2: Convert to fraction form
    757,165,312.88/1,044,898,284.16 = 427,139,431.28/x
  3. Step 3: Cross multiply
    757,165,312.88x = 1,044,898,284.16 × 427,139,431.28
  4. Step 4: Simplify right side
    757,165,312.88x = 446,317,258,841,550,208
  5. Step 5: Solve for x
    x = 446,317,258,841,550,208/757,165,312.88
  6. Step 6: Final answer
    x = 589,458,142.43

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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.