Home / 290,034,182.40-435,051,273.60-277,439,030.70

Finding the Fourth Proportional to 290,034,182.40, 435,051,273.60 and 277,439,030.70

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Solution

The fourth proportional to 290,034,182.40, 435,051,273.60 and 277,439,030.70 is: 416,158,546.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,034,182.40 : 435,051,273.60 = 277,439,030.70 : x
  2. Step 2: Convert to fraction form
    290,034,182.40/435,051,273.60 = 277,439,030.70/x
  3. Step 3: Cross multiply
    290,034,182.40x = 435,051,273.60 × 277,439,030.70
  4. Step 4: Simplify right side
    290,034,182.40x = 120,700,203,652,384,496
  5. Step 5: Solve for x
    x = 120,700,203,652,384,496/290,034,182.40
  6. Step 6: Final answer
    x = 416,158,546.05

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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.