Home / 20,192,523,436.51-30,289,402,207.31-6,927,595,647.51

Finding the Fourth Proportional to 20,192,523,436.51, 30,289,402,207.31 and 6,927,595,647.51

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Solution

The fourth proportional to 20,192,523,436.51, 30,289,402,207.31 and 6,927,595,647.51 is: 10,391,605,167.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,192,523,436.51 : 30,289,402,207.31 = 6,927,595,647.51 : x
  2. Step 2: Convert to fraction form
    20,192,523,436.51/30,289,402,207.31 = 6,927,595,647.51/x
  3. Step 3: Cross multiply
    20,192,523,436.51x = 30,289,402,207.31 × 6,927,595,647.51
  4. Step 4: Simplify right side
    20,192,523,436.51x = 209,832,730,896,960,487,424
  5. Step 5: Solve for x
    x = 209,832,730,896,960,487,424/20,192,523,436.51
  6. Step 6: Final answer
    x = 10,391,605,167.96

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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.