Home / 393,984,037.20-590,976,055.80-264,989,528.40

Finding the Fourth Proportional to 393,984,037.20, 590,976,055.80 and 264,989,528.40

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Solution

The fourth proportional to 393,984,037.20, 590,976,055.80 and 264,989,528.40 is: 397,484,292.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,984,037.20 : 590,976,055.80 = 264,989,528.40 : x
  2. Step 2: Convert to fraction form
    393,984,037.20/590,976,055.80 = 264,989,528.40/x
  3. Step 3: Cross multiply
    393,984,037.20x = 590,976,055.80 × 264,989,528.40
  4. Step 4: Simplify right side
    393,984,037.20x = 156,602,466,322,134,080
  5. Step 5: Solve for x
    x = 156,602,466,322,134,080/393,984,037.20
  6. Step 6: Final answer
    x = 397,484,292.60

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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.