Home / 439,886,161.60-660,534,266.40-349,759,211.20

Finding the Fourth Proportional to 439,886,161.60, 660,534,266.40 and 349,759,211.20

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Solution

The fourth proportional to 439,886,161.60, 660,534,266.40 and 349,759,211.20 is: 525,199,390.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,886,161.60 : 660,534,266.40 = 349,759,211.20 : x
  2. Step 2: Convert to fraction form
    439,886,161.60/660,534,266.40 = 349,759,211.20/x
  3. Step 3: Cross multiply
    439,886,161.60x = 660,534,266.40 × 349,759,211.20
  4. Step 4: Simplify right side
    439,886,161.60x = 231,027,943,986,634,656
  5. Step 5: Solve for x
    x = 231,027,943,986,634,656/439,886,161.60
  6. Step 6: Final answer
    x = 525,199,390.56

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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.