Home / 290,872,139.70-436,308,209.55-233,476,511.70

Finding the Fourth Proportional to 290,872,139.70, 436,308,209.55 and 233,476,511.70

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Solution

The fourth proportional to 290,872,139.70, 436,308,209.55 and 233,476,511.70 is: 350,214,767.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,872,139.70 : 436,308,209.55 = 233,476,511.70 : x
  2. Step 2: Convert to fraction form
    290,872,139.70/436,308,209.55 = 233,476,511.70/x
  3. Step 3: Cross multiply
    290,872,139.70x = 436,308,209.55 × 233,476,511.70
  4. Step 4: Simplify right side
    290,872,139.70x = 101,867,718,791,806,624
  5. Step 5: Solve for x
    x = 101,867,718,791,806,624/290,872,139.70
  6. Step 6: Final answer
    x = 350,214,767.55

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1.5x scale

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.