Home / 803,241,743.20-1,204,862,614.80-558,353,730.40

Finding the Fourth Proportional to 803,241,743.20, 1,204,862,614.80 and 558,353,730.40

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Solution

The fourth proportional to 803,241,743.20, 1,204,862,614.80 and 558,353,730.40 is: 837,530,595.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,241,743.20 : 1,204,862,614.80 = 558,353,730.40 : x
  2. Step 2: Convert to fraction form
    803,241,743.20/1,204,862,614.80 = 558,353,730.40/x
  3. Step 3: Cross multiply
    803,241,743.20x = 1,204,862,614.80 × 558,353,730.40
  4. Step 4: Simplify right side
    803,241,743.20x = 672,739,535,593,078,144
  5. Step 5: Solve for x
    x = 672,739,535,593,078,144/803,241,743.20
  6. Step 6: Final answer
    x = 837,530,595.60

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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.