Home / 472,404,909.70-708,607,364.55-406,647,943.30

Finding the Fourth Proportional to 472,404,909.70, 708,607,364.55 and 406,647,943.30

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Solution

The fourth proportional to 472,404,909.70, 708,607,364.55 and 406,647,943.30 is: 609,971,914.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,404,909.70 : 708,607,364.55 = 406,647,943.30 : x
  2. Step 2: Convert to fraction form
    472,404,909.70/708,607,364.55 = 406,647,943.30/x
  3. Step 3: Cross multiply
    472,404,909.70x = 708,607,364.55 × 406,647,943.30
  4. Step 4: Simplify right side
    472,404,909.70x = 288,153,727,401,490,816
  5. Step 5: Solve for x
    x = 288,153,727,401,490,816/472,404,909.70
  6. Step 6: Final answer
    x = 609,971,914.95

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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.