Home / 655,379,533.10-983,077,818.80-218,680,217.26

Finding the Fourth Proportional to 655,379,533.10, 983,077,818.80 and 218,680,217.26

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Solution

The fourth proportional to 655,379,533.10, 983,077,818.80 and 218,680,217.26 is: 328,023,168.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,379,533.10 : 983,077,818.80 = 218,680,217.26 : x
  2. Step 2: Convert to fraction form
    655,379,533.10/983,077,818.80 = 218,680,217.26/x
  3. Step 3: Cross multiply
    655,379,533.10x = 983,077,818.80 × 218,680,217.26
  4. Step 4: Simplify right side
    655,379,533.10x = 214,979,670,995,119,808
  5. Step 5: Solve for x
    x = 214,979,670,995,119,808/655,379,533.10
  6. Step 6: Final answer
    x = 328,023,168.46

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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.