Home / 2,789,138,526.76-3,849,429,622.26-2,118,980,792.08

Finding the Fourth Proportional to 2,789,138,526.76, 3,849,429,622.26 and 2,118,980,792.08

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Solution

The fourth proportional to 2,789,138,526.76, 3,849,429,622.26 and 2,118,980,792.08 is: 2,924,511,404.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789,138,526.76 : 3,849,429,622.26 = 2,118,980,792.08 : x
  2. Step 2: Convert to fraction form
    2,789,138,526.76/3,849,429,622.26 = 2,118,980,792.08/x
  3. Step 3: Cross multiply
    2,789,138,526.76x = 3,849,429,622.26 × 2,118,980,792.08
  4. Step 4: Simplify right side
    2,789,138,526.76x = 8,156,867,430,032,710,656
  5. Step 5: Solve for x
    x = 8,156,867,430,032,710,656/2,789,138,526.76
  6. Step 6: Final answer
    x = 2,924,511,404.43

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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.