Home / 472,393,289.70-708,589,934.55-300,064,688.10

Finding the Fourth Proportional to 472,393,289.70, 708,589,934.55 and 300,064,688.10

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Solution

The fourth proportional to 472,393,289.70, 708,589,934.55 and 300,064,688.10 is: 450,097,032.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,289.70 : 708,589,934.55 = 300,064,688.10 : x
  2. Step 2: Convert to fraction form
    472,393,289.70/708,589,934.55 = 300,064,688.10/x
  3. Step 3: Cross multiply
    472,393,289.70x = 708,589,934.55 × 300,064,688.10
  4. Step 4: Simplify right side
    472,393,289.70x = 212,622,817,701,545,152
  5. Step 5: Solve for x
    x = 212,622,817,701,545,152/472,393,289.70
  6. Step 6: Final answer
    x = 450,097,032.15

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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.