Home / 426,938,169.60-589,237,856.64-270,319,835.52

Finding the Fourth Proportional to 426,938,169.60, 589,237,856.64 and 270,319,835.52

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Solution

The fourth proportional to 426,938,169.60, 589,237,856.64 and 270,319,835.52 is: 373,081,377.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,938,169.60 : 589,237,856.64 = 270,319,835.52 : x
  2. Step 2: Convert to fraction form
    426,938,169.60/589,237,856.64 = 270,319,835.52/x
  3. Step 3: Cross multiply
    426,938,169.60x = 589,237,856.64 × 270,319,835.52
  4. Step 4: Simplify right side
    426,938,169.60x = 159,282,680,489,082,112
  5. Step 5: Solve for x
    x = 159,282,680,489,082,112/426,938,169.60
  6. Step 6: Final answer
    x = 373,081,377.66

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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.