Home / 828,800,153.40-1,243,648,127.70-368,809,318.20

Finding the Fourth Proportional to 828,800,153.40, 1,243,648,127.70 and 368,809,318.20

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Solution

The fourth proportional to 828,800,153.40, 1,243,648,127.70 and 368,809,318.20 is: 553,413,288.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,800,153.40 : 1,243,648,127.70 = 368,809,318.20 : x
  2. Step 2: Convert to fraction form
    828,800,153.40/1,243,648,127.70 = 368,809,318.20/x
  3. Step 3: Cross multiply
    828,800,153.40x = 1,243,648,127.70 × 368,809,318.20
  4. Step 4: Simplify right side
    828,800,153.40x = 458,669,018,057,743,552
  5. Step 5: Solve for x
    x = 458,669,018,057,743,552/828,800,153.40
  6. Step 6: Final answer
    x = 553,413,288.08

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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.