Home / 781,045,803,765.42-1,171,719,580,488.50-296,962,385,483.58

Finding the Fourth Proportional to 781,045,803,765.42, 1,171,719,580,488.50 and 296,962,385,483.58

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Solution

The fourth proportional to 781,045,803,765.42, 1,171,719,580,488.50 and 296,962,385,483.58 is: 445,500,942,533.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,045,803,765.42 : 1,171,719,580,488.50 = 296,962,385,483.58 : x
  2. Step 2: Convert to fraction form
    781,045,803,765.42/1,171,719,580,488.50 = 296,962,385,483.58/x
  3. Step 3: Cross multiply
    781,045,803,765.42x = 1,171,719,580,488.50 × 296,962,385,483.58
  4. Step 4: Simplify right side
    781,045,803,765.42x = 347,956,641,739,684,613,980,160
  5. Step 5: Solve for x
    x = 347,956,641,739,684,613,980,160/781,045,803,765.42
  6. Step 6: Final answer
    x = 445,500,942,533.95

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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.