Home / 690,562,605.40-1,035,843,908.10-179,959,341.40

Finding the Fourth Proportional to 690,562,605.40, 1,035,843,908.10 and 179,959,341.40

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Solution

The fourth proportional to 690,562,605.40, 1,035,843,908.10 and 179,959,341.40 is: 269,939,012.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,562,605.40 : 1,035,843,908.10 = 179,959,341.40 : x
  2. Step 2: Convert to fraction form
    690,562,605.40/1,035,843,908.10 = 179,959,341.40/x
  3. Step 3: Cross multiply
    690,562,605.40x = 1,035,843,908.10 × 179,959,341.40
  4. Step 4: Simplify right side
    690,562,605.40x = 186,409,787,494,878,144
  5. Step 5: Solve for x
    x = 186,409,787,494,878,144/690,562,605.40
  6. Step 6: Final answer
    x = 269,939,012.10

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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.