Home / 1,693,066,159.53-2,539,926,289.35-643,722,774.54

Finding the Fourth Proportional to 1,693,066,159.53, 2,539,926,289.35 and 643,722,774.54

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Solution

The fourth proportional to 1,693,066,159.53, 2,539,926,289.35 and 643,722,774.54 is: 965,708,509.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,066,159.53 : 2,539,926,289.35 = 643,722,774.54 : x
  2. Step 2: Convert to fraction form
    1,693,066,159.53/2,539,926,289.35 = 643,722,774.54/x
  3. Step 3: Cross multiply
    1,693,066,159.53x = 2,539,926,289.35 × 643,722,774.54
  4. Step 4: Simplify right side
    1,693,066,159.53x = 1,635,008,398,107,468,800
  5. Step 5: Solve for x
    x = 1,635,008,398,107,468,800/1,693,066,159.53
  6. Step 6: Final answer
    x = 965,708,509.92

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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.