Home / 393,984,005.10-590,976,007.65-264,989,496.30

Finding the Fourth Proportional to 393,984,005.10, 590,976,007.65 and 264,989,496.30

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Solution

The fourth proportional to 393,984,005.10, 590,976,007.65 and 264,989,496.30 is: 397,484,244.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,984,005.10 : 590,976,007.65 = 264,989,496.30 : x
  2. Step 2: Convert to fraction form
    393,984,005.10/590,976,007.65 = 264,989,496.30/x
  3. Step 3: Cross multiply
    393,984,005.10x = 590,976,007.65 × 264,989,496.30
  4. Step 4: Simplify right side
    393,984,005.10x = 156,602,434,592,558,432
  5. Step 5: Solve for x
    x = 156,602,434,592,558,432/393,984,005.10
  6. Step 6: Final answer
    x = 397,484,244.45

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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.