Home / 1,539,118,770.81-2,123,927,001.31-834,255,618.64

Finding the Fourth Proportional to 1,539,118,770.81, 2,123,927,001.31 and 834,255,618.64

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Solution

The fourth proportional to 1,539,118,770.81, 2,123,927,001.31 and 834,255,618.64 is: 1,151,241,910.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,118,770.81 : 2,123,927,001.31 = 834,255,618.64 : x
  2. Step 2: Convert to fraction form
    1,539,118,770.81/2,123,927,001.31 = 834,255,618.64/x
  3. Step 3: Cross multiply
    1,539,118,770.81x = 2,123,927,001.31 × 834,255,618.64
  4. Step 4: Simplify right side
    1,539,118,770.81x = 1,771,898,034,424,073,984
  5. Step 5: Solve for x
    x = 1,771,898,034,424,073,984/1,539,118,770.81
  6. Step 6: Final answer
    x = 1,151,241,910.65

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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.