Home / 516,118,194.40-774,177,291.60-425,344,280.80

Finding the Fourth Proportional to 516,118,194.40, 774,177,291.60 and 425,344,280.80

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Solution

The fourth proportional to 516,118,194.40, 774,177,291.60 and 425,344,280.80 is: 638,016,421.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,118,194.40 : 774,177,291.60 = 425,344,280.80 : x
  2. Step 2: Convert to fraction form
    516,118,194.40/774,177,291.60 = 425,344,280.80/x
  3. Step 3: Cross multiply
    516,118,194.40x = 774,177,291.60 × 425,344,280.80
  4. Step 4: Simplify right side
    516,118,194.40x = 329,291,883,307,293,888
  5. Step 5: Solve for x
    x = 329,291,883,307,293,888/516,118,194.40
  6. Step 6: Final answer
    x = 638,016,421.20

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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.