Home / 462,180,700.86-693,271,009.23-203,395,921.14

Finding the Fourth Proportional to 462,180,700.86, 693,271,009.23 and 203,395,921.14

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Solution

The fourth proportional to 462,180,700.86, 693,271,009.23 and 203,395,921.14 is: 305,093,863.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,180,700.86 : 693,271,009.23 = 203,395,921.14 : x
  2. Step 2: Convert to fraction form
    462,180,700.86/693,271,009.23 = 203,395,921.14/x
  3. Step 3: Cross multiply
    462,180,700.86x = 693,271,009.23 × 203,395,921.14
  4. Step 4: Simplify right side
    462,180,700.86x = 141,008,495,521,993,280
  5. Step 5: Solve for x
    x = 141,008,495,521,993,280/462,180,700.86
  6. Step 6: Final answer
    x = 305,093,863.20

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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.