Home / 893,808,638.48-1,340,905,932.66-272,072,488.36

Finding the Fourth Proportional to 893,808,638.48, 1,340,905,932.66 and 272,072,488.36

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Solution

The fourth proportional to 893,808,638.48, 1,340,905,932.66 and 272,072,488.36 is: 408,167,473.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,808,638.48 : 1,340,905,932.66 = 272,072,488.36 : x
  2. Step 2: Convert to fraction form
    893,808,638.48/1,340,905,932.66 = 272,072,488.36/x
  3. Step 3: Cross multiply
    893,808,638.48x = 1,340,905,932.66 × 272,072,488.36
  4. Step 4: Simplify right side
    893,808,638.48x = 364,823,613,755,492,864
  5. Step 5: Solve for x
    x = 364,823,613,755,492,864/893,808,638.48
  6. Step 6: Final answer
    x = 408,167,473.49

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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.