Home / 775,989,140.76-1,070,705,156.70-445,900,506.84

Finding the Fourth Proportional to 775,989,140.76, 1,070,705,156.70 and 445,900,506.84

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Solution

The fourth proportional to 775,989,140.76, 1,070,705,156.70 and 445,900,506.84 is: 615,250,841.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,989,140.76 : 1,070,705,156.70 = 445,900,506.84 : x
  2. Step 2: Convert to fraction form
    775,989,140.76/1,070,705,156.70 = 445,900,506.84/x
  3. Step 3: Cross multiply
    775,989,140.76x = 1,070,705,156.70 × 445,900,506.84
  4. Step 4: Simplify right side
    775,989,140.76x = 477,427,972,048,731,584
  5. Step 5: Solve for x
    x = 477,427,972,048,731,584/775,989,140.76
  6. Step 6: Final answer
    x = 615,250,841.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.