Home / 775,989,452.34-1,070,705,586.02-445,900,818.42

Finding the Fourth Proportional to 775,989,452.34, 1,070,705,586.02 and 445,900,818.42

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Solution

The fourth proportional to 775,989,452.34, 1,070,705,586.02 and 445,900,818.42 is: 615,251,271.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,989,452.34 : 1,070,705,586.02 = 445,900,818.42 : x
  2. Step 2: Convert to fraction form
    775,989,452.34/1,070,705,586.02 = 445,900,818.42/x
  3. Step 3: Cross multiply
    775,989,452.34x = 1,070,705,586.02 × 445,900,818.42
  4. Step 4: Simplify right side
    775,989,452.34x = 477,428,497,090,954,240
  5. Step 5: Solve for x
    x = 477,428,497,090,954,240/775,989,452.34
  6. Step 6: Final answer
    x = 615,251,271.33

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Double scale
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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.