Home / 472,393,615.80-708,590,423.70-144,919,671.60

Finding the Fourth Proportional to 472,393,615.80, 708,590,423.70 and 144,919,671.60

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Solution

The fourth proportional to 472,393,615.80, 708,590,423.70 and 144,919,671.60 is: 217,379,507.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,615.80 : 708,590,423.70 = 144,919,671.60 : x
  2. Step 2: Convert to fraction form
    472,393,615.80/708,590,423.70 = 144,919,671.60/x
  3. Step 3: Cross multiply
    472,393,615.80x = 708,590,423.70 × 144,919,671.60
  4. Step 4: Simplify right side
    472,393,615.80x = 102,688,691,501,508,864
  5. Step 5: Solve for x
    x = 102,688,691,501,508,864/472,393,615.80
  6. Step 6: Final answer
    x = 217,379,507.40

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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.