Home / 1,008,413,433.78-1,513,299,935.79-353,370,345.18

Finding the Fourth Proportional to 1,008,413,433.78, 1,513,299,935.79 and 353,370,345.18

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Solution

The fourth proportional to 1,008,413,433.78, 1,513,299,935.79 and 353,370,345.18 is: 530,293,729.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,413,433.78 : 1,513,299,935.79 = 353,370,345.18 : x
  2. Step 2: Convert to fraction form
    1,008,413,433.78/1,513,299,935.79 = 353,370,345.18/x
  3. Step 3: Cross multiply
    1,008,413,433.78x = 1,513,299,935.79 × 353,370,345.18
  4. Step 4: Simplify right side
    1,008,413,433.78x = 534,755,320,670,984,128
  5. Step 5: Solve for x
    x = 534,755,320,670,984,128/1,008,413,433.78
  6. Step 6: Final answer
    x = 530,293,729.49

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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.