Home / 736,021,142.70-1,103,093,928.45-391,139,990.70

Finding the Fourth Proportional to 736,021,142.70, 1,103,093,928.45 and 391,139,990.70

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Solution

The fourth proportional to 736,021,142.70, 1,103,093,928.45 and 391,139,990.70 is: 586,211,623.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,021,142.70 : 1,103,093,928.45 = 391,139,990.70 : x
  2. Step 2: Convert to fraction form
    736,021,142.70/1,103,093,928.45 = 391,139,990.70/x
  3. Step 3: Cross multiply
    736,021,142.70x = 1,103,093,928.45 × 391,139,990.70
  4. Step 4: Simplify right side
    736,021,142.70x = 431,464,148,915,159,488
  5. Step 5: Solve for x
    x = 431,464,148,915,159,488/736,021,142.70
  6. Step 6: Final answer
    x = 586,211,623.39

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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.