Home / 833,471,723.20-1,249,853,690.40-402,782,238.40

Finding the Fourth Proportional to 833,471,723.20, 1,249,853,690.40 and 402,782,238.40

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Solution

The fourth proportional to 833,471,723.20, 1,249,853,690.40 and 402,782,238.40 is: 604,002,335.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,471,723.20 : 1,249,853,690.40 = 402,782,238.40 : x
  2. Step 2: Convert to fraction form
    833,471,723.20/1,249,853,690.40 = 402,782,238.40/x
  3. Step 3: Cross multiply
    833,471,723.20x = 1,249,853,690.40 × 402,782,238.40
  4. Step 4: Simplify right side
    833,471,723.20x = 503,418,867,091,812,608
  5. Step 5: Solve for x
    x = 503,418,867,091,812,608/833,471,723.20
  6. Step 6: Final answer
    x = 604,002,335.15

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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.