Home / 2,021,572,135.76-2,789,913,909.06-1,117,308,617.55

Finding the Fourth Proportional to 2,021,572,135.76, 2,789,913,909.06 and 1,117,308,617.55

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Solution

The fourth proportional to 2,021,572,135.76, 2,789,913,909.06 and 1,117,308,617.55 is: 1,541,965,679.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,572,135.76 : 2,789,913,909.06 = 1,117,308,617.55 : x
  2. Step 2: Convert to fraction form
    2,021,572,135.76/2,789,913,909.06 = 1,117,308,617.55/x
  3. Step 3: Cross multiply
    2,021,572,135.76x = 2,789,913,909.06 × 1,117,308,617.55
  4. Step 4: Simplify right side
    2,021,572,135.76x = 3,117,194,852,815,344,640
  5. Step 5: Solve for x
    x = 3,117,194,852,815,344,640/2,021,572,135.76
  6. Step 6: Final answer
    x = 1,541,965,679.92

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Double scale
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1.5x scale

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.