Home / 1,539,118,817.76-2,123,927,065.92-834,255,665.64

Finding the Fourth Proportional to 1,539,118,817.76, 2,123,927,065.92 and 834,255,665.64

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Solution

The fourth proportional to 1,539,118,817.76, 2,123,927,065.92 and 834,255,665.64 is: 1,151,241,975.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,118,817.76 : 2,123,927,065.92 = 834,255,665.64 : x
  2. Step 2: Convert to fraction form
    1,539,118,817.76/2,123,927,065.92 = 834,255,665.64/x
  3. Step 3: Cross multiply
    1,539,118,817.76x = 2,123,927,065.92 × 834,255,665.64
  4. Step 4: Simplify right side
    1,539,118,817.76x = 1,771,898,188,149,901,824
  5. Step 5: Solve for x
    x = 1,771,898,188,149,901,824/1,539,118,817.76
  6. Step 6: Final answer
    x = 1,151,241,975.41

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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.