Home / 465,102,039.05-697,653,058.58-400,478,813.45

Finding the Fourth Proportional to 465,102,039.05, 697,653,058.58 and 400,478,813.45

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Solution

The fourth proportional to 465,102,039.05, 697,653,058.58 and 400,478,813.45 is: 600,718,220.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,102,039.05 : 697,653,058.58 = 400,478,813.45 : x
  2. Step 2: Convert to fraction form
    465,102,039.05/697,653,058.58 = 400,478,813.45/x
  3. Step 3: Cross multiply
    465,102,039.05x = 697,653,058.58 × 400,478,813.45
  4. Step 4: Simplify right side
    465,102,039.05x = 279,395,269,097,879,360
  5. Step 5: Solve for x
    x = 279,395,269,097,879,360/465,102,039.05
  6. Step 6: Final answer
    x = 600,718,220.18

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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.