Home / 920,683,986.84-1,381,243,788.18-298,898,016.84

Finding the Fourth Proportional to 920,683,986.84, 1,381,243,788.18 and 298,898,016.84

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Solution

The fourth proportional to 920,683,986.84, 1,381,243,788.18 and 298,898,016.84 is: 448,417,736.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,683,986.84 : 1,381,243,788.18 = 298,898,016.84 : x
  2. Step 2: Convert to fraction form
    920,683,986.84/1,381,243,788.18 = 298,898,016.84/x
  3. Step 3: Cross multiply
    920,683,986.84x = 1,381,243,788.18 × 298,898,016.84
  4. Step 4: Simplify right side
    920,683,986.84x = 412,851,029,059,571,008
  5. Step 5: Solve for x
    x = 412,851,029,059,571,008/920,683,986.84
  6. Step 6: Final answer
    x = 448,417,736.12

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1.5x scale

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.