Home / 920,683,988.84-1,381,243,791.18-298,898,018.84

Finding the Fourth Proportional to 920,683,988.84, 1,381,243,791.18 and 298,898,018.84

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Solution

The fourth proportional to 920,683,988.84, 1,381,243,791.18 and 298,898,018.84 is: 448,417,739.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,683,988.84 : 1,381,243,791.18 = 298,898,018.84 : x
  2. Step 2: Convert to fraction form
    920,683,988.84/1,381,243,791.18 = 298,898,018.84/x
  3. Step 3: Cross multiply
    920,683,988.84x = 1,381,243,791.18 × 298,898,018.84
  4. Step 4: Simplify right side
    920,683,988.84x = 412,851,032,718,752,640
  5. Step 5: Solve for x
    x = 412,851,032,718,752,640/920,683,988.84
  6. Step 6: Final answer
    x = 448,417,739.12

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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.