Home / 920,496,694.76-1,270,285,390.18-497,110,315.23

Finding the Fourth Proportional to 920,496,694.76, 1,270,285,390.18 and 497,110,315.23

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Solution

The fourth proportional to 920,496,694.76, 1,270,285,390.18 and 497,110,315.23 is: 686,012,208.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,496,694.76 : 1,270,285,390.18 = 497,110,315.23 : x
  2. Step 2: Convert to fraction form
    920,496,694.76/1,270,285,390.18 = 497,110,315.23/x
  3. Step 3: Cross multiply
    920,496,694.76x = 1,270,285,390.18 × 497,110,315.23
  4. Step 4: Simplify right side
    920,496,694.76x = 631,471,970,744,443,392
  5. Step 5: Solve for x
    x = 631,471,970,744,443,392/920,496,694.76
  6. Step 6: Final answer
    x = 686,012,208.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.