Home / 680,911,576.60-1,021,367,364.90-272,030,834.20

Finding the Fourth Proportional to 680,911,576.60, 1,021,367,364.90 and 272,030,834.20

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Solution

The fourth proportional to 680,911,576.60, 1,021,367,364.90 and 272,030,834.20 is: 408,046,251.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,911,576.60 : 1,021,367,364.90 = 272,030,834.20 : x
  2. Step 2: Convert to fraction form
    680,911,576.60/1,021,367,364.90 = 272,030,834.20/x
  3. Step 3: Cross multiply
    680,911,576.60x = 1,021,367,364.90 × 272,030,834.20
  4. Step 4: Simplify right side
    680,911,576.60x = 277,843,416,298,402,784
  5. Step 5: Solve for x
    x = 277,843,416,298,402,784/680,911,576.60
  6. Step 6: Final answer
    x = 408,046,251.30

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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.