Home / 803,240,695.20-1,204,861,042.80-558,352,682.40

Finding the Fourth Proportional to 803,240,695.20, 1,204,861,042.80 and 558,352,682.40

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Solution

The fourth proportional to 803,240,695.20, 1,204,861,042.80 and 558,352,682.40 is: 837,529,023.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,240,695.20 : 1,204,861,042.80 = 558,352,682.40 : x
  2. Step 2: Convert to fraction form
    803,240,695.20/1,204,861,042.80 = 558,352,682.40/x
  3. Step 3: Cross multiply
    803,240,695.20x = 1,204,861,042.80 × 558,352,682.40
  4. Step 4: Simplify right side
    803,240,695.20x = 672,737,395,166,641,152
  5. Step 5: Solve for x
    x = 672,737,395,166,641,152/803,240,695.20
  6. Step 6: Final answer
    x = 837,529,023.60

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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.