Home / 984,169,929.90-1,476,142,920.45-257,232,125.10

Finding the Fourth Proportional to 984,169,929.90, 1,476,142,920.45 and 257,232,125.10

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Solution

The fourth proportional to 984,169,929.90, 1,476,142,920.45 and 257,232,125.10 is: 385,818,920.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,169,929.90 : 1,476,142,920.45 = 257,232,125.10 : x
  2. Step 2: Convert to fraction form
    984,169,929.90/1,476,142,920.45 = 257,232,125.10/x
  3. Step 3: Cross multiply
    984,169,929.90x = 1,476,142,920.45 × 257,232,125.10
  4. Step 4: Simplify right side
    984,169,929.90x = 379,711,380,378,673,728
  5. Step 5: Solve for x
    x = 379,711,380,378,673,728/984,169,929.90
  6. Step 6: Final answer
    x = 385,818,920.94

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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.