Home / 389,779,144.47-584,760,390.08-113,436,319.59

Finding the Fourth Proportional to 389,779,144.47, 584,760,390.08 and 113,436,319.59

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Solution

The fourth proportional to 389,779,144.47, 584,760,390.08 and 113,436,319.59 is: 170,181,158.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,779,144.47 : 584,760,390.08 = 113,436,319.59 : x
  2. Step 2: Convert to fraction form
    389,779,144.47/584,760,390.08 = 113,436,319.59/x
  3. Step 3: Cross multiply
    389,779,144.47x = 584,760,390.08 × 113,436,319.59
  4. Step 4: Simplify right side
    389,779,144.47x = 66,333,066,492,120,768
  5. Step 5: Solve for x
    x = 66,333,066,492,120,768/389,779,144.47
  6. Step 6: Final answer
    x = 170,181,158.83

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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.