Home / 472,393,038.40-708,589,557.60-397,566,145.60

Finding the Fourth Proportional to 472,393,038.40, 708,589,557.60 and 397,566,145.60

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Solution

The fourth proportional to 472,393,038.40, 708,589,557.60 and 397,566,145.60 is: 596,349,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,038.40 : 708,589,557.60 = 397,566,145.60 : x
  2. Step 2: Convert to fraction form
    472,393,038.40/708,589,557.60 = 397,566,145.60/x
  3. Step 3: Cross multiply
    472,393,038.40x = 708,589,557.60 × 397,566,145.60
  4. Step 4: Simplify right side
    472,393,038.40x = 281,711,219,227,441,216
  5. Step 5: Solve for x
    x = 281,711,219,227,441,216/472,393,038.40
  6. Step 6: Final answer
    x = 596,349,218.40

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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.