Home / 1,372,402,857.60-1,893,930,569.28-745,871,317.92

Finding the Fourth Proportional to 1,372,402,857.60, 1,893,930,569.28 and 745,871,317.92

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Solution

The fourth proportional to 1,372,402,857.60, 1,893,930,569.28 and 745,871,317.92 is: 1,029,310,367.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,402,857.60 : 1,893,930,569.28 = 745,871,317.92 : x
  2. Step 2: Convert to fraction form
    1,372,402,857.60/1,893,930,569.28 = 745,871,317.92/x
  3. Step 3: Cross multiply
    1,372,402,857.60x = 1,893,930,569.28 × 745,871,317.92
  4. Step 4: Simplify right side
    1,372,402,857.60x = 1,412,628,489,757,849,344
  5. Step 5: Solve for x
    x = 1,412,628,489,757,849,344/1,372,402,857.60
  6. Step 6: Final answer
    x = 1,029,310,367.53

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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.