Home / 1,539,118,778.72-2,123,927,012.21-834,255,626.56

Finding the Fourth Proportional to 1,539,118,778.72, 2,123,927,012.21 and 834,255,626.56

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Solution

The fourth proportional to 1,539,118,778.72, 2,123,927,012.21 and 834,255,626.56 is: 1,151,241,921.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,118,778.72 : 2,123,927,012.21 = 834,255,626.56 : x
  2. Step 2: Convert to fraction form
    1,539,118,778.72/2,123,927,012.21 = 834,255,626.56/x
  3. Step 3: Cross multiply
    1,539,118,778.72x = 2,123,927,012.21 × 834,255,626.56
  4. Step 4: Simplify right side
    1,539,118,778.72x = 1,771,898,060,329,523,712
  5. Step 5: Solve for x
    x = 1,771,898,060,329,523,712/1,539,118,778.72
  6. Step 6: Final answer
    x = 1,151,241,921.57

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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.