Home / 720,767,039.64-994,620,212.46-407,482,526.40

Finding the Fourth Proportional to 720,767,039.64, 994,620,212.46 and 407,482,526.40

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Solution

The fourth proportional to 720,767,039.64, 994,620,212.46 and 407,482,526.40 is: 562,304,232.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,767,039.64 : 994,620,212.46 = 407,482,526.40 : x
  2. Step 2: Convert to fraction form
    720,767,039.64/994,620,212.46 = 407,482,526.40/x
  3. Step 3: Cross multiply
    720,767,039.64x = 994,620,212.46 × 407,482,526.40
  4. Step 4: Simplify right side
    720,767,039.64x = 405,290,356,981,705,536
  5. Step 5: Solve for x
    x = 405,290,356,981,705,536/720,767,039.64
  6. Step 6: Final answer
    x = 562,304,232.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.