Home / 2,638,328,008.40-3,957,208,577.40-699,631,240.40

Finding the Fourth Proportional to 2,638,328,008.40, 3,957,208,577.40 and 699,631,240.40

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Solution

The fourth proportional to 2,638,328,008.40, 3,957,208,577.40 and 699,631,240.40 is: 1,049,371,699.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,328,008.40 : 3,957,208,577.40 = 699,631,240.40 : x
  2. Step 2: Convert to fraction form
    2,638,328,008.40/3,957,208,577.40 = 699,631,240.40/x
  3. Step 3: Cross multiply
    2,638,328,008.40x = 3,957,208,577.40 × 699,631,240.40
  4. Step 4: Simplify right side
    2,638,328,008.40x = 2,768,586,745,527,881,216
  5. Step 5: Solve for x
    x = 2,768,586,745,527,881,216/2,638,328,008.40
  6. Step 6: Final answer
    x = 1,049,371,699.32

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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.