Home / 1,491,874,020.40-2,237,811,030.60-508,973,890.90

Finding the Fourth Proportional to 1,491,874,020.40, 2,237,811,030.60 and 508,973,890.90

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Solution

The fourth proportional to 1,491,874,020.40, 2,237,811,030.60 and 508,973,890.90 is: 763,460,836.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,874,020.40 : 2,237,811,030.60 = 508,973,890.90 : x
  2. Step 2: Convert to fraction form
    1,491,874,020.40/2,237,811,030.60 = 508,973,890.90/x
  3. Step 3: Cross multiply
    1,491,874,020.40x = 2,237,811,030.60 × 508,973,890.90
  4. Step 4: Simplify right side
    1,491,874,020.40x = 1,138,987,387,343,420,800
  5. Step 5: Solve for x
    x = 1,138,987,387,343,420,800/1,491,874,020.40
  6. Step 6: Final answer
    x = 763,460,836.35

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Double scale
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Similar ratio
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1.5x scale

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.